2351536861 has 2 divisors, whose sum is σ = 2351536862. Its totient is φ = 2351536860.

The previous prime is 2351536823. The next prime is 2351536877. The reversal of 2351536861 is 1686351532.

2351536861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383393636 + 968143225 = 37194^2 + 31115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2351536861 - 2¹¹ = 2351534813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351516861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175768430 + 1175768431.

It is an arithmetic number, because the mean of its divisors is an integer number (1175768431).

Almost surely, 2^2351536861 is an apocalyptic number.

It is an amenable number.

2351536861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351536861 is an equidigital number, since it uses as much as digits as its factorization.

2351536861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 2351536861 is about 48492.6474942336. The cubic root of 2351536861 is about 1329.7926563539.

The spelling of 2351536861 in words is "two billion, three hundred fifty-one million, five hundred thirty-six thousand, eight hundred sixty-one".