3715252081 has 4 divisors (see below), whose sum is σ = 3748130532. Its totient is φ = 3682373632.

The previous prime is 3715252069. The next prime is 3715252087. The reversal of 3715252081 is 1802525173.

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 329059600 + 3386192481 = 18140^2 + 58191^2 .

It is a cyclic number.

It is not a de Polignac number, because 3715252081 - 2²⁹ = 3178381169 is a prime.

It is a super-2 number, since 2×3715252081² = 27606196050749661122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3715252087) 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, 16439056 + ... + 16439281.

It is an arithmetic number, because the mean of its divisors is an integer number (937032633).

Almost surely, 2^3715252081 is an apocalyptic number.

It is an amenable number.

3715252081 is a deficient number, since it is larger than the sum of its proper divisors (32878451).

3715252081 is a wasteful number, since it uses less digits than its factorization.

3715252081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32878450.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 3715252081 is about 60952.8677012001. The cubic root of 3715252081 is about 1548.8026939642.

The spelling of 3715252081 in words is "three billion, seven hundred fifteen million, two hundred fifty-two thousand, eighty-one".