630427101 has 4 divisors (see below), whose sum is σ = 840569472. Its totient is φ = 420284732.

The previous prime is 630427073. The next prime is 630427123. The reversal of 630427101 is 101724036.

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 630427101 - 2⁶ = 630427037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630427141) 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, 105071181 + ... + 105071186.

It is an arithmetic number, because the mean of its divisors is an integer number (210142368).

Almost surely, 2^630427101 is an apocalyptic number.

It is an amenable number.

630427101 is a deficient number, since it is larger than the sum of its proper divisors (210142371).

630427101 is a wasteful number, since it uses less digits than its factorization.

630427101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210142370.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 630427101 is about 25108.3074100984. The cubic root of 630427101 is about 857.4555679675.

The spelling of 630427101 in words is "six hundred thirty million, four hundred twenty-seven thousand, one hundred one".