625086634 has 16 divisors (see below), whose sum is σ = 1000608768. Its totient is φ = 291840192.

The previous prime is 625086629. The next prime is 625086641. The reversal of 625086634 is 436680526.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68064 + ... + 76699.

It is an arithmetic number, because the mean of its divisors is an integer number (62538048).

Almost surely, 2^625086634 is an apocalyptic number.

625086634 is a deficient number, since it is larger than the sum of its proper divisors (375522134).

625086634 is a wasteful number, since it uses less digits than its factorization.

625086634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144909.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 625086634 is about 25001.7326199606. The cubic root of 625086634 is about 855.0274760615.

The spelling of 625086634 in words is "six hundred twenty-five million, eighty-six thousand, six hundred thirty-four".