401037257253 has 4 divisors (see below), whose sum is σ = 534716343008. Its totient is φ = 267358171500.

The previous prime is 401037257237. The next prime is 401037257281. The reversal of 401037257253 is 352752730104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 401037257253 - 2⁴ = 401037257237 is a prime.

It is a super-2 number, since 2×401037257253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401037257053) 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, 66839542873 + ... + 66839542878.

It is an arithmetic number, because the mean of its divisors is an integer number (133679085752).

Almost surely, 2^401037257253 is an apocalyptic number.

It is an amenable number.

401037257253 is a deficient number, since it is larger than the sum of its proper divisors (133679085755).

401037257253 is a wasteful number, since it uses less digits than its factorization.

401037257253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133679085754.

The product of its (nonzero) digits is 176400, while the sum is 39.

Adding to 401037257253 its reverse (352752730104), we get a palindrome (753789987357).

The spelling of 401037257253 in words is "four hundred one billion, thirty-seven million, two hundred fifty-seven thousand, two hundred fifty-three".