63625534 has 8 divisors (see below), whose sum is σ = 109072368. Its totient is φ = 27268080.

The previous prime is 63625487. The next prime is 63625537. The reversal of 63625534 is 43552636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 63625534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63625537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272327 + ... + 2272354.

It is an arithmetic number, because the mean of its divisors is an integer number (13634046).

Almost surely, 2^63625534 is an apocalyptic number.

63625534 is a deficient number, since it is larger than the sum of its proper divisors (45446834).

63625534 is a wasteful number, since it uses less digits than its factorization.

63625534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544690.

The product of its digits is 64800, while the sum is 34.

The square root of 63625534 is about 7976.5615399118. The cubic root of 63625534 is about 399.2183359985.

The spelling of 63625534 in words is "sixty-three million, six hundred twenty-five thousand, five hundred thirty-four".