5620311261 has 12 divisors (see below), whose sum is σ = 8122684960. Its totient is φ = 3744816840.

The previous prime is 5620311251. The next prime is 5620311269. The reversal of 5620311261 is 1621130265.

5620311261 is a `hidden beast` number, since 5 + 620 + 3 + 11 + 26 + 1 = 666.

It is not a de Polignac number, because 5620311261 - 2⁹ = 5620310749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5620311269) 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, 154051 + ... + 187008.

Almost surely, 2^5620311261 is an apocalyptic number.

It is an amenable number.

5620311261 is a deficient number, since it is larger than the sum of its proper divisors (2502373699).

5620311261 is a wasteful number, since it uses less digits than its factorization.

5620311261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342896 (or 342893 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5620311261 is about 74968.7352234250. The cubic root of 5620311261 is about 1777.9523713466.

The spelling of 5620311261 in words is "five billion, six hundred twenty million, three hundred eleven thousand, two hundred sixty-one".