6231581425 has 12 divisors (see below), whose sum is σ = 7734989056. Its totient is φ = 4980214800.

The previous prime is 6231581423. The next prime is 6231581479. The reversal of 6231581425 is 5241851326.

It is not a de Polignac number, because 6231581425 - 2¹ = 6231581423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6231581423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100989 + ... + 150538.

Almost surely, 2^6231581425 is an apocalyptic number.

It is an amenable number.

6231581425 is a deficient number, since it is larger than the sum of its proper divisors (1503407631).

6231581425 is a wasteful number, since it uses less digits than its factorization.

6231581425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252528 (or 252523 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 6231581425 is about 78940.3662583345. The cubic root of 6231581425 is about 1840.2045126531.

The spelling of 6231581425 in words is "six billion, two hundred thirty-one million, five hundred eighty-one thousand, four hundred twenty-five".