455432521 has 2 divisors, whose sum is σ = 455432522. Its totient is φ = 455432520.

The previous prime is 455432507. The next prime is 455432539. The reversal of 455432521 is 125234554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331422025 + 124010496 = 18205^2 + 11136^2 .

It is a cyclic number.

It is not a de Polignac number, because 455432521 - 2¹³ = 455424329 is a prime.

It is not a weakly prime, because it can be changed into another prime (455432321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227716260 + 227716261.

It is an arithmetic number, because the mean of its divisors is an integer number (227716261).

Almost surely, 2^455432521 is an apocalyptic number.

It is an amenable number.

455432521 is a deficient number, since it is larger than the sum of its proper divisors (1).

455432521 is an equidigital number, since it uses as much as digits as its factorization.

455432521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 31.

The square root of 455432521 is about 21340.8650480715. The cubic root of 455432521 is about 769.3808037185.

The spelling of 455432521 in words is "four hundred fifty-five million, four hundred thirty-two thousand, five hundred twenty-one".