131903625 has 64 divisors (see below), whose sum is σ = 253693440. Its totient is φ = 59616000.

The previous prime is 131903621. The next prime is 131903641. The reversal of 131903625 is 526309131.

It is not a de Polignac number, because 131903625 - 2² = 131903621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131903592 and 131903601.

It is not an unprimeable number, because it can be changed into a prime (131903621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285895 + ... + 286355.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^131903625 is an apocalyptic number.

131903625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131903625 is a deficient number, since it is larger than the sum of its proper divisors (121789815).

131903625 is a wasteful number, since it uses less digits than its factorization.

131903625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 131903625 is about 11484.9303437156. The cubic root of 131903625 is about 509.0403908543.

The spelling of 131903625 in words is "one hundred thirty-one million, nine hundred three thousand, six hundred twenty-five".