630061433 has 4 divisors (see below), whose sum is σ = 631877520. Its totient is φ = 628245348.

The previous prime is 630061423. The next prime is 630061447. The reversal of 630061433 is 334160036.

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 630061433 - 2⁴ = 630061417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630061423) 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, 907523 + ... + 908216.

It is an arithmetic number, because the mean of its divisors is an integer number (157969380).

Almost surely, 2^630061433 is an apocalyptic number.

It is an amenable number.

630061433 is a deficient number, since it is larger than the sum of its proper divisors (1816087).

630061433 is a wasteful number, since it uses less digits than its factorization.

630061433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816086.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 630061433 is about 25101.0245408429. The cubic root of 630061433 is about 857.2897519657.

The spelling of 630061433 in words is "six hundred thirty million, sixty-one thousand, four hundred thirty-three".