455515013 has 4 divisors (see below), whose sum is σ = 455878080. Its totient is φ = 455151948.

The previous prime is 455515003. The next prime is 455515031. The reversal of 455515013 is 310515554.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310515554 = 2 ⋅155257777.

It is a cyclic number.

It is not a de Polignac number, because 455515013 - 2⁸ = 455514757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455515003) 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, 179645 + ... + 182162.

It is an arithmetic number, because the mean of its divisors is an integer number (113969520).

Almost surely, 2^455515013 is an apocalyptic number.

It is an amenable number.

455515013 is a deficient number, since it is larger than the sum of its proper divisors (363067).

455515013 is a wasteful number, since it uses less digits than its factorization.

455515013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363066.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 455515013 is about 21342.7976844649. The cubic root of 455515013 is about 769.4272532851.

The spelling of 455515013 in words is "four hundred fifty-five million, five hundred fifteen thousand, thirteen".