45476521 has 2 divisors, whose sum is σ = 45476522. Its totient is φ = 45476520.

The previous prime is 45476507. The next prime is 45476531. The reversal of 45476521 is 12567454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25361296 + 20115225 = 5036^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 45476521 - 2⁵ = 45476489 is a prime.

It is a super-2 number, since 2×45476521² = 4136227924526882, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45476531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22738260 + 22738261.

It is an arithmetic number, because the mean of its divisors is an integer number (22738261).

Almost surely, 2^45476521 is an apocalyptic number.

It is an amenable number.

45476521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45476521 is an equidigital number, since it uses as much as digits as its factorization.

45476521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 45476521 is about 6743.6281777690. The cubic root of 45476521 is about 356.9404315972.

The spelling of 45476521 in words is "forty-five million, four hundred seventy-six thousand, five hundred twenty-one".