3902491253 has 4 divisors (see below), whose sum is σ = 4132049580. Its totient is φ = 3672932928.

The previous prime is 3902491231. The next prime is 3902491277. The reversal of 3902491253 is 3521942093.

It is a happy number.

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 1035745489 + 2866745764 = 32183^2 + 53542^2 .

It is a cyclic number.

It is not a de Polignac number, because 3902491253 - 2²⁸ = 3634055797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902491753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114779138 + ... + 114779171.

It is an arithmetic number, because the mean of its divisors is an integer number (1033012395).

Almost surely, 2^3902491253 is an apocalyptic number.

It is an amenable number.

3902491253 is a deficient number, since it is larger than the sum of its proper divisors (229558327).

3902491253 is a wasteful number, since it uses less digits than its factorization.

3902491253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229558326.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 3902491253 is about 62469.9227868900. The cubic root of 3902491253 is about 1574.3960063157.

The spelling of 3902491253 in words is "three billion, nine hundred two million, four hundred ninety-one thousand, two hundred fifty-three".