63534475 has 12 divisors (see below), whose sum is σ = 78887560. Its totient is φ = 50760000.

The previous prime is 63534473. The next prime is 63534479. The reversal of 63534475 is 57443536.

It is not a de Polignac number, because 63534475 - 2¹ = 63534473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63534473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27100 + ... + 29350.

Almost surely, 2^63534475 is an apocalyptic number.

63534475 is a deficient number, since it is larger than the sum of its proper divisors (15353085).

63534475 is a wasteful number, since it uses less digits than its factorization.

63534475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3385 counting only the distinct ones).

The product of its digits is 151200, while the sum is 37.

The square root of 63534475 is about 7970.8515856212. The cubic root of 63534475 is about 399.0277952090.

It can be divided in two parts, 63534 and 475, that added together give a square (64009 = 253²).

The spelling of 63534475 in words is "sixty-three million, five hundred thirty-four thousand, four hundred seventy-five".