63512434 has 4 divisors (see below), whose sum is σ = 95268654. Its totient is φ = 31756216.

The previous prime is 63512413. The next prime is 63512437. The reversal of 63512434 is 43421536.

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., 61544025 + 1968409 = 7845^2 + 1403^2 .

It is not an unprimeable number, because it can be changed into a prime (63512437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15878107 + ... + 15878110.

Almost surely, 2^63512434 is an apocalyptic number.

63512434 is a deficient number, since it is larger than the sum of its proper divisors (31756220).

63512434 is a wasteful number, since it uses less digits than its factorization.

63512434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31756219.

The product of its digits is 8640, while the sum is 28.

The square root of 63512434 is about 7969.4688656146. The cubic root of 63512434 is about 398.9816470936.

The spelling of 63512434 in words is "sixty-three million, five hundred twelve thousand, four hundred thirty-four".