402301625 has 32 divisors (see below), whose sum is σ = 571574016. Its totient is φ = 279840000.

The previous prime is 402301619. The next prime is 402301631. The reversal of 402301625 is 526103204.

It is an interprime number because it is at equal distance from previous prime (402301619) and next prime (402301631).

It is not a de Polignac number, because 402301625 - 2⁴ = 402301609 is a prime.

It is a super-3 number, since 3×402301625³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402301625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25265 + ... + 37985.

It is an arithmetic number, because the mean of its divisors is an integer number (17861688).

Almost surely, 2^402301625 is an apocalyptic number.

It is an amenable number.

402301625 is a deficient number, since it is larger than the sum of its proper divisors (169272391).

402301625 is a wasteful number, since it uses less digits than its factorization.

402301625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770 (or 12760 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 402301625 is about 20057.4580891996. The cubic root of 402301625 is about 738.2168076270.

Adding to 402301625 its reverse (526103204), we get a palindrome (928404829).

The spelling of 402301625 in words is "four hundred two million, three hundred one thousand, six hundred twenty-five".