2572111631 has 2 divisors, whose sum is σ = 2572111632. Its totient is φ = 2572111630.

The previous prime is 2572111627. The next prime is 2572111637. The reversal of 2572111631 is 1361112752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2572111631 - 2² = 2572111627 is a prime.

It is a super-2 number, since 2×2572111631² = 13231516484650960322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2572111594 and 2572111603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2572111637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286055815 + 1286055816.

It is an arithmetic number, because the mean of its divisors is an integer number (1286055816).

Almost surely, 2^2572111631 is an apocalyptic number.

2572111631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572111631 is an equidigital number, since it uses as much as digits as its factorization.

2572111631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 2572111631 is about 50715.9898947068. The cubic root of 2572111631 is about 1370.1347179579.

The spelling of 2572111631 in words is "two billion, five hundred seventy-two million, one hundred eleven thousand, six hundred thirty-one".