630452655 has 96 divisors (see below), whose sum is σ = 1313335296. Its totient is φ = 273537792.

The previous prime is 630452653. The next prime is 630452707. The reversal of 630452655 is 556254036.

It is a happy number.

It is not a de Polignac number, because 630452655 - 2¹ = 630452653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630452653) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1253134 + ... + 1253636.

It is an arithmetic number, because the mean of its divisors is an integer number (13680576).

Almost surely, 2^630452655 is an apocalyptic number.

630452655 is an abundant number, since it is smaller than the sum of its proper divisors (682882641).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630452655 is a wasteful number, since it uses less digits than its factorization.

630452655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 630452655 is about 25108.8162803426. The cubic root of 630452655 is about 857.4671533004.

The spelling of 630452655 in words is "six hundred thirty million, four hundred fifty-two thousand, six hundred fifty-five".