253901 has 2 divisors, whose sum is σ = 253902. Its totient is φ = 253900.

The previous prime is 253879. The next prime is 253907. The reversal of 253901 is 109352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 4900 = 499^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 253901 - 2¹⁰ = 252877 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253901.

It is not a weakly prime, because it can be changed into another prime (253907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126950 + 126951.

It is an arithmetic number, because the mean of its divisors is an integer number (126951).

2²⁵³⁹⁰¹ is an apocalyptic number.

It is an amenable number.

253901 is a deficient number, since it is larger than the sum of its proper divisors (1).

253901 is an equidigital number, since it uses as much as digits as its factorization.

253901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 253901 is about 503.8858997829. The cubic root of 253901 is about 63.3220262979.

The spelling of 253901 in words is "two hundred fifty-three thousand, nine hundred one".