63542475 has 30 divisors (see below), whose sum is σ = 117706380. Its totient is φ = 33888240.

The previous prime is 63542473. The next prime is 63542477. The reversal of 63542475 is 57424536.

It is an interprime number because it is at equal distance from previous prime (63542473) and next prime (63542477).

It is not a de Polignac number, because 63542475 - 2¹ = 63542473 is a prime.

It is a super-2 number, since 2×63542475² = 8075292258251250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63542473) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 13665 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (3923546).

Almost surely, 2^63542475 is an apocalyptic number.

63542475 is a deficient number, since it is larger than the sum of its proper divisors (54163905).

63542475 is a wasteful number, since it uses less digits than its factorization.

63542475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31401 (or 31387 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 63542475 is about 7971.3533982631. The cubic root of 63542475 is about 399.0445424862.

The spelling of 63542475 in words is "sixty-three million, five hundred forty-two thousand, four hundred seventy-five".