633245013 has 16 divisors (see below), whose sum is σ = 939269760. Its totient is φ = 421655328.

The previous prime is 633244981. The next prime is 633245023. The reversal of 633245013 is 310542336.

It is a happy number.

633245013 is a `hidden beast` number, since 633 + 24 + 5 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 633245013 - 2⁵ = 633244981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633245023) 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 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 36822.

It is an arithmetic number, because the mean of its divisors is an integer number (58704360).

Almost surely, 2^633245013 is an apocalyptic number.

It is an amenable number.

633245013 is a deficient number, since it is larger than the sum of its proper divisors (306024747).

633245013 is a wasteful number, since it uses less digits than its factorization.

633245013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28233 (or 28227 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 633245013 is about 25164.3599759660. The cubic root of 633245013 is about 858.7312339295.

Adding to 633245013 its reverse (310542336), we get a palindrome (943787349).

The spelling of 633245013 in words is "six hundred thirty-three million, two hundred forty-five thousand, thirteen".