253273562401 has 4 divisors (see below), whose sum is σ = 259450966404. Its totient is φ = 247096158400.

The previous prime is 253273562389. The next prime is 253273562417. The reversal of 253273562401 is 104265372352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96755213025 + 156518349376 = 311055^2 + 395624^2 .

It is a cyclic number.

It is not a de Polignac number, because 253273562401 - 2¹⁹ = 253273038113 is a prime.

It is a super-2 number, since 2×253273562401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253273562431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088701940 + ... + 3088702021.

It is an arithmetic number, because the mean of its divisors is an integer number (64862741601).

Almost surely, 2^253273562401 is an apocalyptic number.

It is an amenable number.

253273562401 is a deficient number, since it is larger than the sum of its proper divisors (6177404003).

253273562401 is an equidigital number, since it uses as much as digits as its factorization.

253273562401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177404002.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 253273562401 in words is "two hundred fifty-three billion, two hundred seventy-three million, five hundred sixty-two thousand, four hundred one".