253122401 has 32 divisors (see below), whose sum is σ = 315850752. Its totient is φ = 197925120.

The previous prime is 253122377. The next prime is 253122437. The reversal of 253122401 is 104221352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253122401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253122451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933896 + ... + 934166.

It is an arithmetic number, because the mean of its divisors is an integer number (9870336).

Almost surely, 2^253122401 is an apocalyptic number.

It is an amenable number.

253122401 is a deficient number, since it is larger than the sum of its proper divisors (62728351).

253122401 is a wasteful number, since it uses less digits than its factorization.

253122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 253122401 is about 15909.8208977977. The cubic root of 253122401 is about 632.5723339501.

Adding to 253122401 its reverse (104221352), we get a palindrome (357343753).

The spelling of 253122401 in words is "two hundred fifty-three million, one hundred twenty-two thousand, four hundred one".