445537413 has 6 divisors (see below), whose sum is σ = 643554054. Its totient is φ = 297024936.

The previous prime is 445537399. The next prime is 445537427. The reversal of 445537413 is 314735544.

It is an interprime number because it is at equal distance from previous prime (445537399) and next prime (445537427).

It can be written as a sum of positive squares in only one way, i.e., 394300449 + 51236964 = 19857^2 + 7158^2 .

It is not a de Polignac number, because 445537413 - 2⁴ = 445537397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445537013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24752070 + ... + 24752087.

It is an arithmetic number, because the mean of its divisors is an integer number (107259009).

Almost surely, 2^445537413 is an apocalyptic number.

It is an amenable number.

445537413 is a deficient number, since it is larger than the sum of its proper divisors (198016641).

445537413 is a wasteful number, since it uses less digits than its factorization.

445537413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49504163 (or 49504160 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 445537413 is about 21107.7571759768. The cubic root of 445537413 is about 763.7678846095.

The spelling of 445537413 in words is "four hundred forty-five million, five hundred thirty-seven thousand, four hundred thirteen".