630151501 has 4 divisors (see below), whose sum is σ = 720173152. Its totient is φ = 540129852.

The previous prime is 630151481. The next prime is 630151507. The reversal of 630151501 is 105151036.

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 630151501 - 2⁷ = 630151373 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 (630151507) 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, 45010815 + ... + 45010828.

It is an arithmetic number, because the mean of its divisors is an integer number (180043288).

Almost surely, 2^630151501 is an apocalyptic number.

It is an amenable number.

630151501 is a deficient number, since it is larger than the sum of its proper divisors (90021651).

630151501 is an equidigital number, since it uses as much as digits as its factorization.

630151501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90021650.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 630151501 is about 25102.8185867643. The cubic root of 630151501 is about 857.3306002017.

It can be divided in two parts, 63015 and 1501, that added together give a square (64516 = 254²).

The spelling of 630151501 in words is "six hundred thirty million, one hundred fifty-one thousand, five hundred one".