130525311 has 8 divisors (see below), whose sum is σ = 198895744. Its totient is φ = 74585880.

The previous prime is 130525289. The next prime is 130525319. The reversal of 130525311 is 113525031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130525311 - 2⁵ = 130525279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6215491 = 130525311 / (1 + 3 + 0 + 5 + 2 + 5 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130525319) 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, 3107725 + ... + 3107766.

It is an arithmetic number, because the mean of its divisors is an integer number (24861968).

Almost surely, 2^130525311 is an apocalyptic number.

130525311 is a deficient number, since it is larger than the sum of its proper divisors (68370433).

130525311 is an equidigital number, since it uses as much as digits as its factorization.

130525311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215501.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 130525311 is about 11424.7674374580. The cubic root of 130525311 is about 507.2611230705.

The spelling of 130525311 in words is "one hundred thirty million, five hundred twenty-five thousand, three hundred eleven".