3254402521 has 4 divisors (see below), whose sum is σ = 3307753444. Its totient is φ = 3201051600.

The previous prime is 3254402471. The next prime is 3254402563. The reversal of 3254402521 is 1252044523.

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 59892121 + 3194510400 = 7739^2 + 56520^2 .

It is a cyclic number.

It is not a de Polignac number, because 3254402521 - 2¹⁹ = 3253878233 is a prime.

It is a super-2 number, since 2×3254402521² = 21182271537382310882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3254402521.

It is not an unprimeable number, because it can be changed into a prime (3254402321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26675370 + ... + 26675491.

It is an arithmetic number, because the mean of its divisors is an integer number (826938361).

Almost surely, 2^3254402521 is an apocalyptic number.

It is an amenable number.

3254402521 is a deficient number, since it is larger than the sum of its proper divisors (53350923).

3254402521 is an equidigital number, since it uses as much as digits as its factorization.

3254402521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53350922.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3254402521 is about 57047.3708508990. The cubic root of 3254402521 is about 1481.9165760696.

The spelling of 3254402521 in words is "three billion, two hundred fifty-four million, four hundred two thousand, five hundred twenty-one".