402412425 has 24 divisors (see below), whose sum is σ = 676236480. Its totient is φ = 211099200.

The previous prime is 402412421. The next prime is 402412459. The reversal of 402412425 is 524214204.

It is a happy number.

It is not a de Polignac number, because 402412425 - 2² = 402412421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402412395 and 402412404.

It is not an unprimeable number, because it can be changed into a prime (402412421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39405 + ... + 48554.

It is an arithmetic number, because the mean of its divisors is an integer number (28176520).

Almost surely, 2^402412425 is an apocalyptic number.

It is an amenable number.

402412425 is a deficient number, since it is larger than the sum of its proper divisors (273824055).

402412425 is a wasteful number, since it uses less digits than its factorization.

402412425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88033 (or 88028 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 402412425 is about 20060.2199638987. The cubic root of 402412425 is about 738.2845734600.

Adding to 402412425 its reverse (524214204), we get a palindrome (926626629).

The spelling of 402412425 in words is "four hundred two million, four hundred twelve thousand, four hundred twenty-five".