625919016 has 32 divisors (see below), whose sum is σ = 1615276800. Its totient is φ = 201909120.

The previous prime is 625919011. The next prime is 625919081. The reversal of 625919016 is 610919526.

It is a super-2 number, since 2×625919016² = 783549229180816512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625919011) 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, 419901 + ... + 421388.

It is an arithmetic number, because the mean of its divisors is an integer number (50477400).

Almost surely, 2^625919016 is an apocalyptic number.

It is an amenable number.

625919016 is an abundant number, since it is smaller than the sum of its proper divisors (989357784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625919016 is a wasteful number, since it uses less digits than its factorization.

625919016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841329 (or 841325 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 625919016 is about 25018.3735682398. The cubic root of 625919016 is about 855.4068335057.

The spelling of 625919016 in words is "six hundred twenty-five million, nine hundred nineteen thousand, sixteen".