403512425 has 12 divisors (see below), whose sum is σ = 529788636. Its totient is φ = 303820800.

The previous prime is 403512379. The next prime is 403512449. The reversal of 403512425 is 524215304.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1590121 + 401922304 = 1261^2 + 20048^2 .

It is not a de Polignac number, because 403512425 - 2¹⁶ = 403446889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403512394 and 403512403.

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, 474296 + ... + 475145.

It is an arithmetic number, because the mean of its divisors is an integer number (44149053).

Almost surely, 2^403512425 is an apocalyptic number.

It is an amenable number.

403512425 is a deficient number, since it is larger than the sum of its proper divisors (126276211).

403512425 is a wasteful number, since it uses less digits than its factorization.

403512425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949468 (or 949463 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 403512425 is about 20087.6186990892. The cubic root of 403512425 is about 738.9566651815.

Adding to 403512425 its reverse (524215304), we get a palindrome (927727729).

The spelling of 403512425 in words is "four hundred three million, five hundred twelve thousand, four hundred twenty-five".