63265521 has 8 divisors (see below), whose sum is σ = 92022624. Its totient is φ = 38342720.

The previous prime is 63265519. The next prime is 63265537. The reversal of 63265521 is 12556236.

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

It is a cyclic number.

It is not a de Polignac number, because 63265521 - 2¹ = 63265519 is a prime.

It is a super-2 number, since 2×63265521² = 8005052294802882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63265511) 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, 958536 + ... + 958601.

It is an arithmetic number, because the mean of its divisors is an integer number (11502828).

Almost surely, 2^63265521 is an apocalyptic number.

It is an amenable number.

63265521 is a deficient number, since it is larger than the sum of its proper divisors (28757103).

63265521 is a wasteful number, since it uses less digits than its factorization.

63265521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917151.

The product of its digits is 10800, while the sum is 30.

The square root of 63265521 is about 7953.9625973473. The cubic root of 63265521 is about 398.4639442994.

The spelling of 63265521 in words is "sixty-three million, two hundred sixty-five thousand, five hundred twenty-one".