630372485 has 4 divisors (see below), whose sum is σ = 756446988. Its totient is φ = 504297984.

The previous prime is 630372433. The next prime is 630372517. The reversal of 630372485 is 584273036.

630372485 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 324612289 + 305760196 = 18017^2 + 17486^2 .

It is a cyclic number.

It is not a de Polignac number, because 630372485 - 2¹⁰ = 630371461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63037244 + ... + 63037253.

It is an arithmetic number, because the mean of its divisors is an integer number (189111747).

Almost surely, 2^630372485 is an apocalyptic number.

It is an amenable number.

630372485 is a deficient number, since it is larger than the sum of its proper divisors (126074503).

630372485 is a wasteful number, since it uses less digits than its factorization.

630372485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126074502.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 630372485 is about 25107.2197783825. The cubic root of 630372485 is about 857.4308058416.

The spelling of 630372485 in words is "six hundred thirty million, three hundred seventy-two thousand, four hundred eighty-five".