616754241 has 12 divisors (see below), whose sum is σ = 891157332. Its totient is φ = 411035616.

The previous prime is 616754239. The next prime is 616754261. The reversal of 616754241 is 142457616.

It can be written as a sum of positive squares in 2 ways, for example, as 184280625 + 432473616 = 13575^2 + 20796^2 .

It is not a de Polignac number, because 616754241 - 2¹ = 616754239 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 616754196 and 616754205.

It is not an unprimeable number, because it can be changed into a prime (616754261) 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, 23775 + ... + 42411.

It is an arithmetic number, because the mean of its divisors is an integer number (74263111).

Almost surely, 2^616754241 is an apocalyptic number.

It is an amenable number.

616754241 is a deficient number, since it is larger than the sum of its proper divisors (274403091).

616754241 is a wasteful number, since it uses less digits than its factorization.

616754241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22320 (or 22317 counting only the distinct ones).

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

The square root of 616754241 is about 24834.5372616443. The cubic root of 616754241 is about 851.2113022962.

The spelling of 616754241 in words is "six hundred sixteen million, seven hundred fifty-four thousand, two hundred forty-one".