625016231 has 8 divisors (see below), whose sum is σ = 715728384. Its totient is φ = 534660120.

The previous prime is 625016219. The next prime is 625016239. The reversal of 625016231 is 132610526.

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 625016231 - 2¹⁰ = 625015207 is a prime.

It is a super-2 number, since 2×625016231² = 781290578026890722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 625016231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625016239) 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, 85235 + ... + 92276.

It is an arithmetic number, because the mean of its divisors is an integer number (89466048).

Almost surely, 2^625016231 is an apocalyptic number.

625016231 is a deficient number, since it is larger than the sum of its proper divisors (90712153).

625016231 is a wasteful number, since it uses less digits than its factorization.

625016231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178021.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 625016231 is about 25000.3246178925. The cubic root of 625016231 is about 854.9953745062.

Adding to 625016231 its reverse (132610526), we get a palindrome (757626757).

The spelling of 625016231 in words is "six hundred twenty-five million, sixteen thousand, two hundred thirty-one".