131416625 has 8 divisors (see below), whose sum is σ = 164008104. Its totient is φ = 105133200.

The previous prime is 131416601. The next prime is 131416633. The reversal of 131416625 is 526614131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32672656 + 98743969 = 5716^2 + 9937^2 .

It is not a de Polignac number, because 131416625 - 2⁶ = 131416561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525542 + ... + 525791.

It is an arithmetic number, because the mean of its divisors is an integer number (20501013).

Almost surely, 2^131416625 is an apocalyptic number.

It is an amenable number.

131416625 is a deficient number, since it is larger than the sum of its proper divisors (32591479).

131416625 is an equidigital number, since it uses as much as digits as its factorization.

131416625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051348 (or 1051338 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 131416625 is about 11463.7090420160. The cubic root of 131416625 is about 508.4131440276.

The spelling of 131416625 in words is "one hundred thirty-one million, four hundred sixteen thousand, six hundred twenty-five".