616745241 has 12 divisors (see below), whose sum is σ = 1018119232. Its totient is φ = 352425816.

The previous prime is 616745237. The next prime is 616745273. The reversal of 616745241 is 142547616.

616745241 is a `hidden beast` number, since 6 + 167 + 452 + 41 = 666.

It is not a de Polignac number, because 616745241 - 2² = 616745237 is a prime.

It is a super-2 number, since 2×616745241² = 760749384592296162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616745196 and 616745205.

It is not an unprimeable number, because it can be changed into a prime (616745221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4894741 + ... + 4894866.

Almost surely, 2^616745241 is an apocalyptic number.

It is an amenable number.

616745241 is a deficient number, since it is larger than the sum of its proper divisors (401373991).

616745241 is a wasteful number, since it uses less digits than its factorization.

616745241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789620 (or 9789617 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 616745241 is about 24834.3560617142. The cubic root of 616745241 is about 851.2071618361.

The spelling of 616745241 in words is "six hundred sixteen million, seven hundred forty-five thousand, two hundred forty-one".