236025313021 has 2 divisors, whose sum is σ = 236025313022. Its totient is φ = 236025313020.

The previous prime is 236025313009. The next prime is 236025313061. The reversal of 236025313021 is 120313520632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125943363225 + 110081949796 = 354885^2 + 331786^2 .

It is a cyclic number.

It is not a de Polignac number, because 236025313021 - 2³⁵ = 201665574653 is a prime.

It is a super-2 number, since 2×236025313021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236025313061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118012656510 + 118012656511.

It is an arithmetic number, because the mean of its divisors is an integer number (118012656511).

Almost surely, 2^236025313021 is an apocalyptic number.

It is an amenable number.

236025313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

236025313021 is an equidigital number, since it uses as much as digits as its factorization.

236025313021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 236025313021 its reverse (120313520632), we get a palindrome (356338833653).

The spelling of 236025313021 in words is "two hundred thirty-six billion, twenty-five million, three hundred thirteen thousand, twenty-one".