63252591 has 8 divisors (see below), whose sum is σ = 85110960. Its totient is φ = 41781312.

The previous prime is 63252589. The next prime is 63252601. The reversal of 63252591 is 19525236.

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

It is not a de Polignac number, because 63252591 - 2¹ = 63252589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63252521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96390 + ... + 97043.

It is an arithmetic number, because the mean of its divisors is an integer number (10638870).

Almost surely, 2^63252591 is an apocalyptic number.

63252591 is a deficient number, since it is larger than the sum of its proper divisors (21858369).

63252591 is a wasteful number, since it uses less digits than its factorization.

63252591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193545.

The product of its digits is 16200, while the sum is 33.

The square root of 63252591 is about 7953.1497533996. The cubic root of 63252591 is about 398.4367968646.

The spelling of 63252591 in words is "sixty-three million, two hundred fifty-two thousand, five hundred ninety-one".