45601261 has 2 divisors, whose sum is σ = 45601262. Its totient is φ = 45601260.

The previous prime is 45601189. The next prime is 45601289. The reversal of 45601261 is 16210654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40717161 + 4884100 = 6381^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 45601261 - 2⁷ = 45601133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45601291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22800630 + 22800631.

It is an arithmetic number, because the mean of its divisors is an integer number (22800631).

Almost surely, 2^45601261 is an apocalyptic number.

It is an amenable number.

45601261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45601261 is an equidigital number, since it uses as much as digits as its factorization.

45601261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 45601261 is about 6752.8705748000. The cubic root of 45601261 is about 357.2664907049.

The spelling of 45601261 in words is "forty-five million, six hundred one thousand, two hundred sixty-one".