616436925 has 48 divisors (see below), whose sum is σ = 1102096128. Its totient is φ = 302227200.

The previous prime is 616436923. The next prime is 616436929. The reversal of 616436925 is 529634616.

It is not a de Polignac number, because 616436925 - 2¹ = 616436923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616436923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263059 + ... + 265391.

It is an arithmetic number, because the mean of its divisors is an integer number (22960336).

Almost surely, 2^616436925 is an apocalyptic number.

616436925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

616436925 is a deficient number, since it is larger than the sum of its proper divisors (485659203).

616436925 is a wasteful number, since it uses less digits than its factorization.

616436925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2625 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 616436925 is about 24828.1478366792. The cubic root of 616436925 is about 851.0652963817.

The spelling of 616436925 in words is "six hundred sixteen million, four hundred thirty-six thousand, nine hundred twenty-five".