630357361 has 4 divisors (see below), whose sum is σ = 637952112. Its totient is φ = 622762612.

The previous prime is 630357359. The next prime is 630357397. The reversal of 630357361 is 163753036.

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 not a de Polignac number, because 630357361 - 2¹ = 630357359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630327361) 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, 3797251 + ... + 3797416.

It is an arithmetic number, because the mean of its divisors is an integer number (159488028).

Almost surely, 2^630357361 is an apocalyptic number.

It is an amenable number.

630357361 is a deficient number, since it is larger than the sum of its proper divisors (7594751).

630357361 is an equidigital number, since it uses as much as digits as its factorization.

630357361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594750.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 630357361 is about 25106.9185883095. The cubic root of 630357361 is about 857.4239485800.

The spelling of 630357361 in words is "six hundred thirty million, three hundred fifty-seven thousand, three hundred sixty-one".