205607013 has 16 divisors (see below), whose sum is σ = 286416000. Its totient is φ = 131028800.

The previous prime is 205607009. The next prime is 205607021. The reversal of 205607013 is 310706502.

It is a cyclic number.

It is not a de Polignac number, because 205607013 - 2² = 205607009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205607023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2913 + ... + 20486.

It is an arithmetic number, because the mean of its divisors is an integer number (17901000).

Almost surely, 2^205607013 is an apocalyptic number.

It is an amenable number.

205607013 is a deficient number, since it is larger than the sum of its proper divisors (80808987).

205607013 is a wasteful number, since it uses less digits than its factorization.

205607013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23532.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 205607013 is about 14339.0032080337. The cubic root of 205607013 is about 590.2182597640.

The spelling of 205607013 in words is "two hundred five million, six hundred seven thousand, thirteen".