616541025 has 24 divisors (see below), whose sum is σ = 1022127040. Its totient is φ = 327925440.

The previous prime is 616540993. The next prime is 616541047. The reversal of 616541025 is 520145616.

It is not a de Polignac number, because 616541025 - 2⁵ = 616540993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 616540983 and 616541001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16956 + ... + 38994.

Almost surely, 2^616541025 is an apocalyptic number.

It is an amenable number.

616541025 is a deficient number, since it is larger than the sum of its proper divisors (405586015).

616541025 is a wasteful number, since it uses less digits than its factorization.

616541025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22425 (or 22420 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 616541025 is about 24830.2441590895. The cubic root of 616541025 is about 851.1132012075.

The spelling of 616541025 in words is "six hundred sixteen million, five hundred forty-one thousand, twenty-five".