2625238457 has 8 divisors (see below), whose sum is σ = 2658530784. Its totient is φ = 2591985888.

The previous prime is 2625238411. The next prime is 2625238459. The reversal of 2625238457 is 7548325262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2625238457 - 2⁸ = 2625238201 is a prime.

It is a super-2 number, since 2×2625238457² = 13783753912223481698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2625238459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136478 + ... + 154520.

It is an arithmetic number, because the mean of its divisors is an integer number (332316348).

Almost surely, 2^2625238457 is an apocalyptic number.

It is an amenable number.

2625238457 is a deficient number, since it is larger than the sum of its proper divisors (33292327).

2625238457 is a wasteful number, since it uses less digits than its factorization.

2625238457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19879.

The product of its digits is 806400, while the sum is 44.

The square root of 2625238457 is about 51237.0808789884. The cubic root of 2625238457 is about 1379.5038573882.

The spelling of 2625238457 in words is "two billion, six hundred twenty-five million, two hundred thirty-eight thousand, four hundred fifty-seven".