403663245 has 48 divisors (see below), whose sum is σ = 684645696. Its totient is φ = 202963200.

The previous prime is 403663243. The next prime is 403663259. The reversal of 403663245 is 542366304.

It is not a de Polignac number, because 403663245 - 2¹ = 403663243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403663241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 590674 + ... + 591356.

It is an arithmetic number, because the mean of its divisors is an integer number (14263452).

Almost surely, 2^403663245 is an apocalyptic number.

It is an amenable number.

403663245 is a deficient number, since it is larger than the sum of its proper divisors (280982451).

403663245 is a wasteful number, since it uses less digits than its factorization.

403663245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 403663245 is about 20091.3724021033. The cubic root of 403663245 is about 739.0487198121.

The spelling of 403663245 in words is "four hundred three million, six hundred sixty-three thousand, two hundred forty-five".