403653325 has 24 divisors (see below), whose sum is σ = 518109696. Its totient is φ = 311640000.

The previous prime is 403653293. The next prime is 403653329. The reversal of 403653325 is 523356304.

It is a happy number.

It is not a de Polignac number, because 403653325 - 2⁵ = 403653293 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403653329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542904 + ... + 543646.

It is an arithmetic number, because the mean of its divisors is an integer number (21587904).

Almost surely, 2^403653325 is an apocalyptic number.

It is an amenable number.

403653325 is a deficient number, since it is larger than the sum of its proper divisors (114456371).

403653325 is a wasteful number, since it uses less digits than its factorization.

403653325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 403653325 is about 20091.1255284516. The cubic root of 403653325 is about 739.0426657366.

The spelling of 403653325 in words is "four hundred three million, six hundred fifty-three thousand, three hundred twenty-five".