403144325 has 12 divisors (see below), whose sum is σ = 506749188. Its totient is φ = 318096000.

The previous prime is 403144309. The next prime is 403144331. The reversal of 403144325 is 523441304.

It can be written as a sum of positive squares in 6 ways, for example, as 31348801 + 371795524 = 5599^2 + 19282^2 .

It is not a de Polignac number, because 403144325 - 2⁴ = 403144309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403144294 and 403144303.

It is a congruent 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, 108626 + ... + 112275.

It is an arithmetic number, because the mean of its divisors is an integer number (42229099).

Almost surely, 2^403144325 is an apocalyptic number.

It is an amenable number.

403144325 is a deficient number, since it is larger than the sum of its proper divisors (103604863).

403144325 is a wasteful number, since it uses less digits than its factorization.

403144325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220984 (or 220979 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 403144325 is about 20078.4542482732. The cubic root of 403144325 is about 738.7318949834.

Adding to 403144325 its reverse (523441304), we get a palindrome (926585629).

The spelling of 403144325 in words is "four hundred three million, one hundred forty-four thousand, three hundred twenty-five".