403225250 has 64 divisors (see below), whose sum is σ = 776816352. Its totient is φ = 156672000.

The previous prime is 403225247. The next prime is 403225271. The reversal of 403225250 is 52522304.

It can be written as a sum of positive squares in 16 ways, for example, as 130942249 + 272283001 = 11443^2 + 16501^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2089154 + ... + 2089346.

Almost surely, 2^403225250 is an apocalyptic number.

403225250 is a deficient number, since it is larger than the sum of its proper divisors (373591102).

403225250 is a wasteful number, since it uses less digits than its factorization.

403225250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 403225250 is about 20080.4693670243. The cubic root of 403225250 is about 738.7813213511.

Adding to 403225250 its reverse (52522304), we get a palindrome (455747554).

The spelling of 403225250 in words is "four hundred three million, two hundred twenty-five thousand, two hundred fifty".