402115425 has 12 divisors (see below), whose sum is σ = 664830960. Its totient is φ = 214461520.

The previous prime is 402115423. The next prime is 402115429. The reversal of 402115425 is 524511204.

It is not a de Polignac number, because 402115425 - 2¹ = 402115423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402115395 and 402115404.

It is not an unprimeable number, because it can be changed into a prime (402115423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2680695 + ... + 2680844.

It is an arithmetic number, because the mean of its divisors is an integer number (55402580).

Almost surely, 2^402115425 is an apocalyptic number.

It is an amenable number.

402115425 is a deficient number, since it is larger than the sum of its proper divisors (262715535).

402115425 is a wasteful number, since it uses less digits than its factorization.

402115425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361552 (or 5361547 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 402115425 is about 20052.8158870519. The cubic root of 402115425 is about 738.1028987478.

Adding to 402115425 its reverse (524511204), we get a palindrome (926626629).

The spelling of 402115425 in words is "four hundred two million, one hundred fifteen thousand, four hundred twenty-five".