63340425 has 36 divisors (see below), whose sum is σ = 114105420. Its totient is φ = 33586560.

The previous prime is 63340399. The next prime is 63340451. The reversal of 63340425 is 52404336.

63340425 is a `hidden beast` number, since 633 + 4 + 0 + 4 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (63340399) and next prime (63340451).

It can be written as a sum of positive squares in 6 ways, for example, as 423801 + 62916624 = 651^2 + 7932^2 .

It is not a de Polignac number, because 63340425 - 2⁷ = 63340297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43611 + ... + 45039.

It is an arithmetic number, because the mean of its divisors is an integer number (3169595).

Almost surely, 2^63340425 is an apocalyptic number.

It is an amenable number.

63340425 is a deficient number, since it is larger than the sum of its proper divisors (50764995).

63340425 is a wasteful number, since it uses less digits than its factorization.

63340425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 63340425 is about 7958.6698009152. The cubic root of 63340425 is about 398.6211377254.

The spelling of 63340425 in words is "sixty-three million, three hundred forty thousand, four hundred twenty-five".