63525746 has 4 divisors (see below), whose sum is σ = 95288622. Its totient is φ = 31762872.

The previous prime is 63525739. The next prime is 63525767. The reversal of 63525746 is 64752536.

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., 63377521 + 148225 = 7961^2 + 385^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15881435 + ... + 15881438.

Almost surely, 2^63525746 is an apocalyptic number.

63525746 is a deficient number, since it is larger than the sum of its proper divisors (31762876).

63525746 is a wasteful number, since it uses less digits than its factorization.

63525746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31762875.

The product of its digits is 151200, while the sum is 38.

The square root of 63525746 is about 7970.3040092584. The cubic root of 63525746 is about 399.0095202323.

The spelling of 63525746 in words is "sixty-three million, five hundred twenty-five thousand, seven hundred forty-six".