525116620 has 24 divisors (see below), whose sum is σ = 1260280224. Its totient is φ = 180039936.

The previous prime is 525116593. The next prime is 525116629. The reversal of 525116620 is 26611525.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (525116629) 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, 1875277 + ... + 1875556.

It is an arithmetic number, because the mean of its divisors is an integer number (52511676).

Almost surely, 2^525116620 is an apocalyptic number.

It is an amenable number.

525116620 is an abundant number, since it is smaller than the sum of its proper divisors (735163604).

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

525116620 is a wasteful number, since it uses less digits than its factorization.

525116620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750849 (or 3750847 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 525116620 is about 22915.4231905064. The cubic root of 525116620 is about 806.7740513038.

The spelling of 525116620 in words is "five hundred twenty-five million, one hundred sixteen thousand, six hundred twenty".