253806101 has 2 divisors, whose sum is σ = 253806102. Its totient is φ = 253806100.

The previous prime is 253806097. The next prime is 253806103. The reversal of 253806101 is 101608352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248094001 + 5712100 = 15751^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 253806101 - 2² = 253806097 is a prime.

Together with 253806103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253806103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126903050 + 126903051.

It is an arithmetic number, because the mean of its divisors is an integer number (126903051).

Almost surely, 2^253806101 is an apocalyptic number.

It is an amenable number.

253806101 is a deficient number, since it is larger than the sum of its proper divisors (1).

253806101 is an equidigital number, since it uses as much as digits as its factorization.

253806101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 253806101 is about 15931.2931364657. The cubic root of 253806101 is about 633.1413615458.

The spelling of 253806101 in words is "two hundred fifty-three million, eight hundred six thousand, one hundred one".