63455525 has 24 divisors (see below), whose sum is σ = 90232320. Its totient is φ = 43364160.

The previous prime is 63455477. The next prime is 63455531. The reversal of 63455525 is 52555436.

It is not a de Polignac number, because 63455525 - 2⁶ = 63455461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83447 + ... + 84203.

It is an arithmetic number, because the mean of its divisors is an integer number (3759680).

Almost surely, 2^63455525 is an apocalyptic number.

It is an amenable number.

63455525 is a deficient number, since it is larger than the sum of its proper divisors (26776795).

63455525 is a wasteful number, since it uses less digits than its factorization.

63455525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1248 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 63455525 is about 7965.8976267587. The cubic root of 63455525 is about 398.8624450720.

The spelling of 63455525 in words is "sixty-three million, four hundred fifty-five thousand, five hundred twenty-five".