2261650537 has 2 divisors, whose sum is σ = 2261650538. Its totient is φ = 2261650536.

The previous prime is 2261650529. The next prime is 2261650549. The reversal of 2261650537 is 7350561622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139467536 + 1122183001 = 33756^2 + 33499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261650537 - 2³ = 2261650529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2261650496 and 2261650505.

It is not a weakly prime, because it can be changed into another prime (2261650507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130825268 + 1130825269.

It is an arithmetic number, because the mean of its divisors is an integer number (1130825269).

Almost surely, 2^2261650537 is an apocalyptic number.

It is an amenable number.

2261650537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261650537 is an equidigital number, since it uses as much as digits as its factorization.

2261650537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2261650537 is about 47556.8137809925. The cubic root of 2261650537 is about 1312.6285115828.

It can be divided in two parts, 22616 and 50537, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 2261650537 in words is "two billion, two hundred sixty-one million, six hundred fifty thousand, five hundred thirty-seven".