130252405 has 4 divisors (see below), whose sum is σ = 156302892. Its totient is φ = 104201920.

The previous prime is 130252399. The next prime is 130252433. The reversal of 130252405 is 504252031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81685444 + 48566961 = 9038^2 + 6969^2 .

It is not a de Polignac number, because 130252405 - 2¹⁵ = 130219637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13025236 + ... + 13025245.

It is an arithmetic number, because the mean of its divisors is an integer number (39075723).

Almost surely, 2^130252405 is an apocalyptic number.

It is an amenable number.

130252405 is a deficient number, since it is larger than the sum of its proper divisors (26050487).

130252405 is an equidigital number, since it uses as much as digits as its factorization.

130252405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26050486.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 130252405 is about 11412.8175749900. The cubic root of 130252405 is about 506.9073444401.

The spelling of 130252405 in words is "one hundred thirty million, two hundred fifty-two thousand, four hundred five".