31525052579 has 2 divisors, whose sum is σ = 31525052580. Its totient is φ = 31525052578.

The previous prime is 31525052473. The next prime is 31525052597. The reversal of 31525052579 is 97525052513.

Together with next prime (31525052597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31525052579 - 2¹² = 31525048483 is a prime.

It is not a weakly prime, because it can be changed into another prime (31525022579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15762526289 + 15762526290.

It is an arithmetic number, because the mean of its divisors is an integer number (15762526290).

Almost surely, 2^31525052579 is an apocalyptic number.

31525052579 is a deficient number, since it is larger than the sum of its proper divisors (1).

31525052579 is an equidigital number, since it uses as much as digits as its factorization.

31525052579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 31525052579 in words is "thirty-one billion, five hundred twenty-five million, fifty-two thousand, five hundred seventy-nine".