6430252537 has 4 divisors (see below), whose sum is σ = 6436147536. Its totient is φ = 6424357540.

The previous prime is 6430252487. The next prime is 6430252561. The reversal of 6430252537 is 7352520346.

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.

It is a cyclic number.

It is not a de Polignac number, because 6430252537 - 2²⁷ = 6296034809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6430252496 and 6430252505.

It is not an unprimeable number, because it can be changed into a prime (6430250537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945863 + ... + 2948044.

It is an arithmetic number, because the mean of its divisors is an integer number (1609036884).

Almost surely, 2^6430252537 is an apocalyptic number.

It is an amenable number.

6430252537 is a deficient number, since it is larger than the sum of its proper divisors (5894999).

6430252537 is a wasteful number, since it uses less digits than its factorization.

6430252537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894998.

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 6430252537 is about 80188.8554413891. The cubic root of 6430252537 is about 1859.5563493659.

The spelling of 6430252537 in words is "six billion, four hundred thirty million, two hundred fifty-two thousand, five hundred thirty-seven".