5725373521631 has 8 divisors (see below), whose sum is σ = 6085748376000. Its totient is φ = 5367619575808.

The previous prime is 5725373521603. The next prime is 5725373521639. The reversal of 5725373521631 is 1361253735275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5725373521631 is a prime.

It is a super-2 number, since 2×5725373521631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5725373521631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5725373521639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655222631 + ... + 655231368.

It is an arithmetic number, because the mean of its divisors is an integer number (760718547000).

Almost surely, 2^{5725373521631} is an apocalyptic number.

5725373521631 is a deficient number, since it is larger than the sum of its proper divisors (360374854369).

5725373521631 is a wasteful number, since it uses less digits than its factorization.

5725373521631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310454273.

The product of its digits is 3969000, while the sum is 50.

The spelling of 5725373521631 in words is "five trillion, seven hundred twenty-five billion, three hundred seventy-three million, five hundred twenty-one thousand, six hundred thirty-one".