63197042 has 4 divisors (see below), whose sum is σ = 94795566. Its totient is φ = 31598520.

The previous prime is 63197023. The next prime is 63197087. The reversal of 63197042 is 24079136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52432081 + 10764961 = 7241^2 + 3281^2 .

It is a super-2 number, since 2×63197042² = 7987732235099528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15799259 + ... + 15799262.

Almost surely, 2^63197042 is an apocalyptic number.

63197042 is a deficient number, since it is larger than the sum of its proper divisors (31598524).

63197042 is a wasteful number, since it uses less digits than its factorization.

63197042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31598523.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 63197042 is about 7949.6567221484. The cubic root of 63197042 is about 398.3201257659.

The spelling of 63197042 in words is "sixty-three million, one hundred ninety-seven thousand, forty-two".