3527528449 has 3 divisors (see below), whose sum is σ = 3527587843. Its totient is φ = 3527469056.

The previous prime is 3527528393. The next prime is 3527528453. The reversal of 3527528449 is 9448257253.

It is a happy number.

The square root of 3527528449 is 59393.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9448257253 = 6131 ⋅1541063.

It can be written as a sum of positive squares in only one way, i.e., 736308225 + 2791220224 = 27135^2 + 52832^2 .

It is not a de Polignac number, because 3527528449 - 2²⁵ = 3493974017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3527598449) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29697 + ... + 89089.

Almost surely, 2^3527528449 is an apocalyptic number.

3527528449 is the 59393-rd square number.

3527528449 is the 29697-th centered octagonal number.

It is an amenable number.

3527528449 is a deficient number, since it is larger than the sum of its proper divisors (59394).

3527528449 is an frugal number, since it uses more digits than its factorization.

3527528449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118786 (or 59393 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The cubic root of 3527528449 is about 1522.2646944066.

Multiplying 3527528449 by its sum of digits (49), we get a square (172848894001 = 415751²).

It can be divided in two parts, 352752 and 8449, that added together give a square (361201 = 601²).

The spelling of 3527528449 in words is "three billion, five hundred twenty-seven million, five hundred twenty-eight thousand, four hundred forty-nine".