1252575423631 has 16 divisors (see below), whose sum is σ = 1460734747648. Its totient is φ = 1051915896000.

The previous prime is 1252575423613. The next prime is 1252575423647. The reversal of 1252575423631 is 1363245752521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1252575423631 - 2¹¹ = 1252575421583 is a prime.

It is a super-2 number, since 2×1252575423631² (a number of 25 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 (1252575423691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8039475 + ... + 8193796.

It is an arithmetic number, because the mean of its divisors is an integer number (91295921728).

Almost surely, 2^{1252575423631} is an apocalyptic number.

1252575423631 is a deficient number, since it is larger than the sum of its proper divisors (208159324017).

1252575423631 is a wasteful number, since it uses less digits than its factorization.

1252575423631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16233502.

The product of its digits is 1512000, while the sum is 46.

The spelling of 1252575423631 in words is "one trillion, two hundred fifty-two billion, five hundred seventy-five million, four hundred twenty-three thousand, six hundred thirty-one".