403681245 has 32 divisors (see below), whose sum is σ = 716567040. Its totient is φ = 192402240.

The previous prime is 403681237. The next prime is 403681253. The reversal of 403681245 is 542186304.

It is an interprime number because it is at equal distance from previous prime (403681237) and next prime (403681253).

It is not a de Polignac number, because 403681245 - 2³ = 403681237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10999 + ... + 30468.

It is an arithmetic number, because the mean of its divisors is an integer number (22392720).

Almost surely, 2^403681245 is an apocalyptic number.

It is an amenable number.

403681245 is a deficient number, since it is larger than the sum of its proper divisors (312885795).

403681245 is a wasteful number, since it uses less digits than its factorization.

403681245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41545.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 403681245 is about 20091.8203505805. The cubic root of 403681245 is about 739.0597047766.

The spelling of 403681245 in words is "four hundred three million, six hundred eighty-one thousand, two hundred forty-five".