445362913 has 4 divisors (see below), whose sum is σ = 447694848. Its totient is φ = 443030980.

The previous prime is 445362901. The next prime is 445362943. The reversal of 445362913 is 319263544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445362913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445362943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165681 + ... + 1166062.

It is an arithmetic number, because the mean of its divisors is an integer number (111923712).

Almost surely, 2^445362913 is an apocalyptic number.

It is an amenable number.

445362913 is a deficient number, since it is larger than the sum of its proper divisors (2331935).

445362913 is a wasteful number, since it uses less digits than its factorization.

445362913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331934.

The product of its digits is 77760, while the sum is 37.

The square root of 445362913 is about 21103.6232197222. The cubic root of 445362913 is about 763.6681586788.

The spelling of 445362913 in words is "four hundred forty-five million, three hundred sixty-two thousand, nine hundred thirteen".