630260441 has 4 divisors (see below), whose sum is σ = 633012900. Its totient is φ = 627507984.

The previous prime is 630260429. The next prime is 630260443. The reversal of 630260441 is 144062036.

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 448550041 + 181710400 = 21179^2 + 13480^2 .

It is a cyclic number.

It is not a de Polignac number, because 630260441 - 2⁶ = 630260377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630260441.

It is not an unprimeable number, because it can be changed into a prime (630260443) 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, 1375886 + ... + 1376343.

It is an arithmetic number, because the mean of its divisors is an integer number (158253225).

Almost surely, 2^630260441 is an apocalyptic number.

It is an amenable number.

630260441 is a deficient number, since it is larger than the sum of its proper divisors (2752459).

630260441 is a wasteful number, since it uses less digits than its factorization.

630260441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752458.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 630260441 is about 25104.9883688481. The cubic root of 630260441 is about 857.3800021914.

The spelling of 630260441 in words is "six hundred thirty million, two hundred sixty thousand, four hundred forty-one".