403748225 has 12 divisors (see below), whose sum is σ = 502803756. Its totient is φ = 321607680.

The previous prime is 403748171. The next prime is 403748239. The reversal of 403748225 is 522847304.

It can be written as a sum of positive squares in 6 ways, for example, as 863041 + 402885184 = 929^2 + 20072^2 .

It is not a de Polignac number, because 403748225 - 2⁶ = 403748161 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28832 + ... + 40481.

It is an arithmetic number, because the mean of its divisors is an integer number (41900313).

Almost surely, 2^403748225 is an apocalyptic number.

It is an amenable number.

403748225 is a deficient number, since it is larger than the sum of its proper divisors (99055531).

403748225 is a wasteful number, since it uses less digits than its factorization.

403748225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69556 (or 69551 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 403748225 is about 20093.4871289182. The cubic root of 403748225 is about 739.1005781819.

The spelling of 403748225 in words is "four hundred three million, seven hundred forty-eight thousand, two hundred twenty-five".