235646013 has 4 divisors (see below), whose sum is σ = 314194688. Its totient is φ = 157097340.

The previous prime is 235645987. The next prime is 235646041. The reversal of 235646013 is 310646532.

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 not a de Polignac number, because 235646013 - 2¹⁰ = 235644989 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 (235646053) 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, 39274333 + ... + 39274338.

It is an arithmetic number, because the mean of its divisors is an integer number (78548672).

Almost surely, 2^235646013 is an apocalyptic number.

It is an amenable number.

235646013 is a deficient number, since it is larger than the sum of its proper divisors (78548675).

235646013 is an equidigital number, since it uses as much as digits as its factorization.

235646013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78548674.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 235646013 is about 15350.7658766591. The cubic root of 235646013 is about 617.6655299921.

The spelling of 235646013 in words is "two hundred thirty-five million, six hundred forty-six thousand, thirteen".