131345625 has 20 divisors (see below), whose sum is σ = 218842448. Its totient is φ = 70050000.

The previous prime is 131345593. The next prime is 131345633. The reversal of 131345625 is 526543131.

It is not a de Polignac number, because 131345625 - 2⁵ = 131345593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131345592 and 131345601.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33151 + ... + 36900.

Almost surely, 2^131345625 is an apocalyptic number.

131345625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131345625 is a deficient number, since it is larger than the sum of its proper divisors (87496823).

131345625 is an frugal number, since it uses more digits than its factorization.

131345625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70074 (or 70059 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 131345625 is about 11460.6118946590. The cubic root of 131345625 is about 508.3215680038.

Adding to 131345625 its reverse (526543131), we get a palindrome (657888756).

The spelling of 131345625 in words is "one hundred thirty-one million, three hundred forty-five thousand, six hundred twenty-five".