905232513 has 8 divisors (see below), whose sum is σ = 1207124800. Its totient is φ = 603414288.

The previous prime is 905232509. The next prime is 905232557. The reversal of 905232513 is 315232509.

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

It is not a de Polignac number, because 905232513 - 2² = 905232509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (905232313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23868 + ... + 48786.

It is an arithmetic number, because the mean of its divisors is an integer number (150890600).

Almost surely, 2^905232513 is an apocalyptic number.

It is an amenable number.

905232513 is a deficient number, since it is larger than the sum of its proper divisors (301892287).

905232513 is a wasteful number, since it uses less digits than its factorization.

905232513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37031.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 905232513 is about 30087.0821616188. The cubic root of 905232513 is about 967.3568574828.

The spelling of 905232513 in words is "nine hundred five million, two hundred thirty-two thousand, five hundred thirteen".