239956253 has 2 divisors, whose sum is σ = 239956254. Its totient is φ = 239956252.

The previous prime is 239956243. The next prime is 239956261. The reversal of 239956253 is 352659932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212634724 + 27321529 = 14582^2 + 5227^2 .

It is a cyclic number.

It is not a de Polignac number, because 239956253 - 2¹⁰ = 239955229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239956243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119978126 + 119978127.

It is an arithmetic number, because the mean of its divisors is an integer number (119978127).

Almost surely, 2^239956253 is an apocalyptic number.

It is an amenable number.

239956253 is a deficient number, since it is larger than the sum of its proper divisors (1).

239956253 is an equidigital number, since it uses as much as digits as its factorization.

239956253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 437400, while the sum is 44.

The square root of 239956253 is about 15490.5213921288. The cubic root of 239956253 is about 621.4087399795.

The spelling of 239956253 in words is "two hundred thirty-nine million, nine hundred fifty-six thousand, two hundred fifty-three".