3542521505 has 4 divisors (see below), whose sum is σ = 4251025812. Its totient is φ = 2834017200.

The previous prime is 3542521469. The next prime is 3542521511. The reversal of 3542521505 is 5051252453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1140345361 + 2402176144 = 33769^2 + 49012^2 .

It is not a de Polignac number, because 3542521505 - 2⁶ = 3542521441 is a prime.

It is a super-3 number, since 3×3542521505³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354252146 + ... + 354252155.

It is an arithmetic number, because the mean of its divisors is an integer number (1062756453).

Almost surely, 2^3542521505 is an apocalyptic number.

It is an amenable number.

3542521505 is a deficient number, since it is larger than the sum of its proper divisors (708504307).

3542521505 is an equidigital number, since it uses as much as digits as its factorization.

3542521505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708504306.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 3542521505 is about 59519.0852164245. The cubic root of 3542521505 is about 1524.4183402090.

Adding to 3542521505 its reverse (5051252453), we get a palindrome (8593773958).

The spelling of 3542521505 in words is "three billion, five hundred forty-two million, five hundred twenty-one thousand, five hundred five".