236890625 has 14 divisors (see below), whose sum is σ = 296129022. Its totient is φ = 189500000.

The previous prime is 236890609. The next prime is 236890649. The reversal of 236890625 is 526098632.

It can be written as a sum of positive squares in 7 ways, for example, as 236882881 + 7744 = 15391^2 + 88^2 .

It is not a de Polignac number, because 236890625 - 2⁴ = 236890609 is a prime.

It is a super-2 number, since 2×236890625² = 112234336425781250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8045 + ... + 23205.

It is an arithmetic number, because the mean of its divisors is an integer number (21152073).

Almost surely, 2^236890625 is an apocalyptic number.

236890625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

236890625 is a deficient number, since it is larger than the sum of its proper divisors (59238397).

236890625 is an frugal number, since it uses more digits than its factorization.

236890625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15191 (or 15166 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 236890625 is about 15391.2515735401. The cubic root of 236890625 is about 618.7510628149.

The spelling of 236890625 in words is "two hundred thirty-six million, eight hundred ninety thousand, six hundred twenty-five".