131418025 has 12 divisors (see below), whose sum is σ = 164641372. Its totient is φ = 104048640.

The previous prime is 131418013. The next prime is 131418029. The reversal of 131418025 is 520814131.

It can be written as a sum of positive squares in 6 ways, for example, as 63504 + 131354521 = 252^2 + 11461^2 .

It is not a de Polignac number, because 131418025 - 2⁹ = 131417513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131418029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24672 + ... + 29521.

Almost surely, 2^131418025 is an apocalyptic number.

It is an amenable number.

131418025 is a deficient number, since it is larger than the sum of its proper divisors (33223347).

131418025 is an equidigital number, since it uses as much as digits as its factorization.

131418025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54300 (or 54295 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 131418025 is about 11463.7701041150. The cubic root of 131418025 is about 508.4149494203.

The spelling of 131418025 in words is "one hundred thirty-one million, four hundred eighteen thousand, twenty-five".