45500261 has 2 divisors, whose sum is σ = 45500262. Its totient is φ = 45500260.

The previous prime is 45500249. The next prime is 45500311. The reversal of 45500261 is 16200554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 3496900 = 6481^2 + 1870^2 .

It is a cyclic number.

It is not a de Polignac number, because 45500261 - 2¹⁴ = 45483877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45500461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22750130 + 22750131.

It is an arithmetic number, because the mean of its divisors is an integer number (22750131).

Almost surely, 2^45500261 is an apocalyptic number.

It is an amenable number.

45500261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45500261 is an equidigital number, since it uses as much as digits as its factorization.

45500261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45500261 is about 6745.3881281954. The cubic root of 45500261 is about 357.0025317137.

The spelling of 45500261 in words is "forty-five million, five hundred thousand, two hundred sixty-one".