4255715397 has 4 divisors (see below), whose sum is σ = 5674287200. Its totient is φ = 2837143596.

The previous prime is 4255715393. The next prime is 4255715413. The reversal of 4255715397 is 7935175524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4255715397 - 2² = 4255715393 is a prime.

It is a super-2 number, since 2×4255715397² = 36222227080525735218, 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 (4255715393) 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, 709285897 + ... + 709285902.

It is an arithmetic number, because the mean of its divisors is an integer number (1418571800).

Almost surely, 2^4255715397 is an apocalyptic number.

It is an amenable number.

4255715397 is a deficient number, since it is larger than the sum of its proper divisors (1418571803).

4255715397 is a wasteful number, since it uses less digits than its factorization.

4255715397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418571802.

The product of its digits is 1323000, while the sum is 48.

The square root of 4255715397 is about 65235.8444185403. The cubic root of 4255715397 is about 1620.5316800040.

The spelling of 4255715397 in words is "four billion, two hundred fifty-five million, seven hundred fifteen thousand, three hundred ninety-seven".