63257403 has 32 divisors (see below), whose sum is σ = 97493760. Its totient is φ = 36080640.

The previous prime is 63257401. The next prime is 63257417. The reversal of 63257403 is 30475236.

It is not a de Polignac number, because 63257403 - 2¹ = 63257401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63257401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145875 + ... + 146307.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^63257403 is an apocalyptic number.

63257403 is a deficient number, since it is larger than the sum of its proper divisors (34236357).

63257403 is a wasteful number, since it uses less digits than its factorization.

63257403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 63257403 is about 7953.4522692979. The cubic root of 63257403 is about 398.4469004257.

The spelling of 63257403 in words is "sixty-three million, two hundred fifty-seven thousand, four hundred three".