130625437 has 4 divisors (see below), whose sum is σ = 137500480. Its totient is φ = 123750396.

The previous prime is 130625423. The next prime is 130625449. The reversal of 130625437 is 734526031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734526031 = 7219 ⋅101749.

It is a cyclic number.

It is not a de Polignac number, because 130625437 - 2¹⁵ = 130592669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130625399 and 130625408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130625497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3437493 + ... + 3437530.

It is an arithmetic number, because the mean of its divisors is an integer number (34375120).

Almost surely, 2^130625437 is an apocalyptic number.

It is an amenable number.

130625437 is a deficient number, since it is larger than the sum of its proper divisors (6875043).

130625437 is an equidigital number, since it uses as much as digits as its factorization.

130625437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875042.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 130625437 is about 11429.1485684630. The cubic root of 130625437 is about 507.3907966317.

The spelling of 130625437 in words is "one hundred thirty million, six hundred twenty-five thousand, four hundred thirty-seven".