625536863 has 8 divisors (see below), whose sum is σ = 718050432. Its totient is φ = 533811096.

The previous prime is 625536859. The next prime is 625536869. The reversal of 625536863 is 368635526.

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

It is not a de Polignac number, because 625536863 - 2² = 625536859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625536869) 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, 195245 + ... + 198422.

It is an arithmetic number, because the mean of its divisors is an integer number (89756304).

Almost surely, 2^625536863 is an apocalyptic number.

625536863 is a deficient number, since it is larger than the sum of its proper divisors (92513569).

625536863 is a wasteful number, since it uses less digits than its factorization.

625536863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393901.

The product of its digits is 777600, while the sum is 44.

The square root of 625536863 is about 25010.7349552147. The cubic root of 625536863 is about 855.2327093616.

The spelling of 625536863 in words is "six hundred twenty-five million, five hundred thirty-six thousand, eight hundred sixty-three".