5240617961 has 2 divisors, whose sum is σ = 5240617962. Its totient is φ = 5240617960.

The previous prime is 5240617913. The next prime is 5240617969. The reversal of 5240617961 is 1697160425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4695675625 + 544942336 = 68525^2 + 23344^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240617961 - 2¹⁸ = 5240355817 is a prime.

It is a super-2 number, since 2×5240617961² = 54928153226311595042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5240617969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620308980 + 2620308981.

It is an arithmetic number, because the mean of its divisors is an integer number (2620308981).

Almost surely, 2^5240617961 is an apocalyptic number.

It is an amenable number.

5240617961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5240617961 is an equidigital number, since it uses as much as digits as its factorization.

5240617961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 5240617961 is about 72392.1125606927. The cubic root of 5240617961 is about 1736.9773966189.

The spelling of 5240617961 in words is "five billion, two hundred forty million, six hundred seventeen thousand, nine hundred sixty-one".