131035025 has 24 divisors (see below), whose sum is σ = 184970304. Its totient is φ = 91150400.

The previous prime is 131035007. The next prime is 131035043. The reversal of 131035025 is 520530131.

It is an interprime number because it is at equal distance from previous prime (131035007) and next prime (131035043).

It is not a de Polignac number, because 131035025 - 2⁶ = 131034961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131034988 and 131035006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4034 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (7707096).

Almost surely, 2^131035025 is an apocalyptic number.

It is an amenable number.

131035025 is a deficient number, since it is larger than the sum of its proper divisors (53935279).

131035025 is a wasteful number, since it uses less digits than its factorization.

131035025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20761 (or 20756 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131035025 is about 11447.0531142299. The cubic root of 131035025 is about 507.9205667129.

Adding to 131035025 its reverse (520530131), we get a palindrome (651565156).

The spelling of 131035025 in words is "one hundred thirty-one million, thirty-five thousand, twenty-five".