63452257 has 16 divisors (see below), whose sum is σ = 72460800. Its totient is φ = 55036800.

The previous prime is 63452201. The next prime is 63452269. The reversal of 63452257 is 75225436.

It is a cyclic number.

It is not a de Polignac number, because 63452257 - 2¹¹ = 63450209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63452287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23619 + ... + 26167.

It is an arithmetic number, because the mean of its divisors is an integer number (4528800).

Almost surely, 2^63452257 is an apocalyptic number.

It is an amenable number.

63452257 is a deficient number, since it is larger than the sum of its proper divisors (9008543).

63452257 is a wasteful number, since it uses less digits than its factorization.

63452257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 50400, while the sum is 34.

The square root of 63452257 is about 7965.6924997140. The cubic root of 63452257 is about 398.8555977311.

The spelling of 63452257 in words is "sixty-three million, four hundred fifty-two thousand, two hundred fifty-seven".