905164513 has 4 divisors (see below), whose sum is σ = 987452208. Its totient is φ = 822876820.

The previous prime is 905164511. The next prime is 905164531. The reversal of 905164513 is 315461509.

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 not a de Polignac number, because 905164513 - 2¹ = 905164511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (905164511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41143831 + ... + 41143852.

It is an arithmetic number, because the mean of its divisors is an integer number (246863052).

Almost surely, 2^905164513 is an apocalyptic number.

It is an amenable number.

905164513 is a deficient number, since it is larger than the sum of its proper divisors (82287695).

905164513 is a wasteful number, since it uses less digits than its factorization.

905164513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82287694.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 905164513 is about 30085.9520873114. The cubic root of 905164513 is about 967.3326346404.

The spelling of 905164513 in words is "nine hundred five million, one hundred sixty-four thousand, five hundred thirteen".