130325252021 has 4 divisors (see below), whose sum is σ = 130327304844. Its totient is φ = 130323199200.

The previous prime is 130325251961. The next prime is 130325252039. The reversal of 130325252021 is 120252523031.

It is a happy number.

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 41458660996 + 88866591025 = 203614^2 + 298105^2 .

It is a cyclic number.

It is not a de Polignac number, because 130325252021 - 2⁶ = 130325251957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130325252081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928040 + ... + 1059201.

It is an arithmetic number, because the mean of its divisors is an integer number (32581826211).

Almost surely, 2^130325252021 is an apocalyptic number.

It is an amenable number.

130325252021 is a deficient number, since it is larger than the sum of its proper divisors (2052823).

130325252021 is an equidigital number, since it uses as much as digits as its factorization.

130325252021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052822.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 130325252021 its reverse (120252523031), we get a palindrome (250577775052).

The spelling of 130325252021 in words is "one hundred thirty billion, three hundred twenty-five million, two hundred fifty-two thousand, twenty-one".