402333425 has 12 divisors (see below), whose sum is σ = 537270300. Its totient is φ = 297107520.

The previous prime is 402333401. The next prime is 402333427. The reversal of 402333425 is 524333204.

It can be written as a sum of positive squares in 6 ways, for example, as 34000561 + 368332864 = 5831^2 + 19192^2 .

It is not a de Polignac number, because 402333425 - 2¹⁰ = 402332401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402333394 and 402333403.

It is not an unprimeable number, because it can be changed into a prime (402333427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618650 + ... + 619299.

It is an arithmetic number, because the mean of its divisors is an integer number (44772525).

Almost surely, 2^402333425 is an apocalyptic number.

It is an amenable number.

402333425 is a deficient number, since it is larger than the sum of its proper divisors (134936875).

402333425 is a wasteful number, since it uses less digits than its factorization.

402333425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237972 (or 1237967 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 402333425 is about 20058.2507961188. The cubic root of 402333425 is about 738.2362579386.

Adding to 402333425 its reverse (524333204), we get a palindrome (926666629).

The spelling of 402333425 in words is "four hundred two million, three hundred thirty-three thousand, four hundred twenty-five".