445125513 has 8 divisors (see below), whose sum is σ = 678286528. Its totient is φ = 254357424.

The previous prime is 445125511. The next prime is 445125529. The reversal of 445125513 is 315521544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445125513 - 2¹ = 445125511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445125511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10598206 + ... + 10598247.

It is an arithmetic number, because the mean of its divisors is an integer number (84785816).

Almost surely, 2^445125513 is an apocalyptic number.

It is an amenable number.

445125513 is a deficient number, since it is larger than the sum of its proper divisors (233161015).

445125513 is a wasteful number, since it uses less digits than its factorization.

445125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21196463.

The product of its digits is 12000, while the sum is 30.

The square root of 445125513 is about 21097.9978433974. The cubic root of 445125513 is about 763.5324438583.

The spelling of 445125513 in words is "four hundred forty-five million, one hundred twenty-five thousand, five hundred thirteen".