1455532501 has 4 divisors (see below), whose sum is σ = 1457289100. Its totient is φ = 1453775904.

The previous prime is 1455532493. The next prime is 1455532543. The reversal of 1455532501 is 1052355541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1052355541 = 3511 ⋅299731.

It can be written as a sum of positive squares in 2 ways, for example, as 1271279025 + 184253476 = 35655^2 + 13574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455532501 - 2³ = 1455532493 is a prime.

It is a super-2 number, since 2×1455532501² = 4237149722934630002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455512501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877056 + ... + 878713.

It is an arithmetic number, because the mean of its divisors is an integer number (364322275).

Almost surely, 2^1455532501 is an apocalyptic number.

It is an amenable number.

1455532501 is a deficient number, since it is larger than the sum of its proper divisors (1756599).

1455532501 is an equidigital number, since it uses as much as digits as its factorization.

1455532501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756598.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1455532501 is about 38151.4416634549. The cubic root of 1455532501 is about 1133.2889018241.

The spelling of 1455532501 in words is "one billion, four hundred fifty-five million, five hundred thirty-two thousand, five hundred one".