625272557 has 8 divisors (see below), whose sum is σ = 769566336. Its totient is φ = 494721072.

The previous prime is 625272553. The next prime is 625272581. The reversal of 625272557 is 755272526.

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 625272557 - 2² = 625272553 is a prime.

It is a super-3 number, since 3×625272557³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625272551) 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, 3435473 + ... + 3435654.

It is an arithmetic number, because the mean of its divisors is an integer number (96195792).

Almost surely, 2^625272557 is an apocalyptic number.

It is an amenable number.

625272557 is a deficient number, since it is larger than the sum of its proper divisors (144293779).

625272557 is a wasteful number, since it uses less digits than its factorization.

625272557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871147.

The product of its digits is 294000, while the sum is 41.

The square root of 625272557 is about 25005.4505458310. The cubic root of 625272557 is about 855.1122395201.

The spelling of 625272557 in words is "six hundred twenty-five million, two hundred seventy-two thousand, five hundred fifty-seven".