63400425 has 96 divisors (see below), whose sum is σ = 123039744. Its totient is φ = 28512000.

The previous prime is 63400417. The next prime is 63400433. The reversal of 63400425 is 52400436.

It is an interprime number because it is at equal distance from previous prime (63400417) and next prime (63400433).

It is not a de Polignac number, because 63400425 - 2³ = 63400417 is a prime.

It is a super-2 number, since 2×63400425² = 8039227780361250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63400395 and 63400404.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 946242 + ... + 946308.

It is an arithmetic number, because the mean of its divisors is an integer number (1281664).

Almost surely, 2^63400425 is an apocalyptic number.

It is an amenable number.

63400425 is a deficient number, since it is larger than the sum of its proper divisors (59639319).

63400425 is a wasteful number, since it uses less digits than its factorization.

63400425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 63400425 is about 7962.4383828071. The cubic root of 63400425 is about 398.7469642690.

The spelling of 63400425 in words is "sixty-three million, four hundred thousand, four hundred twenty-five".