131825533 has 8 divisors (see below), whose sum is σ = 153732800. Its totient is φ = 112993020.

The previous prime is 131825513. The next prime is 131825539. The reversal of 131825533 is 335528131.

It is not a de Polignac number, because 131825533 - 2²¹ = 129728381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131825495 and 131825504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131825539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191823 + ... + 192508.

It is an arithmetic number, because the mean of its divisors is an integer number (19216600).

Almost surely, 2^131825533 is an apocalyptic number.

It is an amenable number.

131825533 is a deficient number, since it is larger than the sum of its proper divisors (21907267).

131825533 is an frugal number, since it uses more digits than its factorization.

131825533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384352 (or 384338 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 131825533 is about 11481.5300809605. The cubic root of 131825533 is about 508.9399138844.

The spelling of 131825533 in words is "one hundred thirty-one million, eight hundred twenty-five thousand, five hundred thirty-three".