10131572 has 30 divisors (see below), whose sum is σ = 19615890. Its totient is φ = 4578640.

The previous prime is 10131557. The next prime is 10131581. The reversal of 10131572 is 27513101.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 234256 = 3146^2 + 484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 58478 + ... + 58650.

It is an arithmetic number, because the mean of its divisors is an integer number (653863).

Almost surely, 2^10131572 is an apocalyptic number.

It is an amenable number.

10131572 is a deficient number, since it is larger than the sum of its proper divisors (9484318).

10131572 is an equidigital number, since it uses as much as digits as its factorization.

10131572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 10131572 is about 3183.0130379877. The cubic root of 10131572 is about 216.3842326529.

Adding to 10131572 its reverse (27513101), we get a palindrome (37644673).

The spelling of 10131572 in words is "ten million, one hundred thirty-one thousand, five hundred seventy-two".