45788521 has 2 divisors, whose sum is σ = 45788522. Its totient is φ = 45788520.

The previous prime is 45788503. The next prime is 45788549. The reversal of 45788521 is 12588754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30858025 + 14930496 = 5555^2 + 3864^2 .

It is a cyclic number.

It is not a de Polignac number, because 45788521 - 2⁵ = 45788489 is a prime.

It is not a weakly prime, because it can be changed into another prime (45788921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22894260 + 22894261.

It is an arithmetic number, because the mean of its divisors is an integer number (22894261).

Almost surely, 2^45788521 is an apocalyptic number.

It is an amenable number.

45788521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45788521 is an equidigital number, since it uses as much as digits as its factorization.

45788521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 40.

The square root of 45788521 is about 6766.7215843420. The cubic root of 45788521 is about 357.7548569869.

The spelling of 45788521 in words is "forty-five million, seven hundred eighty-eight thousand, five hundred twenty-one".