253293401 has 4 divisors (see below), whose sum is σ = 253383732. Its totient is φ = 253203072.

The previous prime is 253293373. The next prime is 253293419. The reversal of 253293401 is 104392352.

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 112254025 + 141039376 = 10595^2 + 11876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253293401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253293451) 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, 40820 + ... + 46613.

It is an arithmetic number, because the mean of its divisors is an integer number (63345933).

Almost surely, 2^253293401 is an apocalyptic number.

It is an amenable number.

253293401 is a deficient number, since it is larger than the sum of its proper divisors (90331).

253293401 is an equidigital number, since it uses as much as digits as its factorization.

253293401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90330.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 253293401 is about 15915.1940296058. The cubic root of 253293401 is about 632.7147492656.

The spelling of 253293401 in words is "two hundred fifty-three million, two hundred ninety-three thousand, four hundred one".