445537427 has 2 divisors, whose sum is σ = 445537428. Its totient is φ = 445537426.

The previous prime is 445537399. The next prime is 445537457. The reversal of 445537427 is 724735544.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445537427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445537457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222768713 + 222768714.

It is an arithmetic number, because the mean of its divisors is an integer number (222768714).

Almost surely, 2^445537427 is an apocalyptic number.

445537427 is a deficient number, since it is larger than the sum of its proper divisors (1).

445537427 is an equidigital number, since it uses as much as digits as its factorization.

445537427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 41.

The square root of 445537427 is about 21107.7575076084. The cubic root of 445537427 is about 763.7678926094.

The spelling of 445537427 in words is "four hundred forty-five million, five hundred thirty-seven thousand, four hundred twenty-seven".