63525463531 has 8 divisors (see below), whose sum is σ = 69025971200. Its totient is φ = 58240662120.

The previous prime is 63525463513. The next prime is 63525463543. The reversal of 63525463531 is 13536452536.

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 63525463531 - 2¹⁹ = 63524939243 is a prime.

It is a super-2 number, since 2×63525463531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63525464531) 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, 53925951 + ... + 53927128.

It is an arithmetic number, because the mean of its divisors is an integer number (8628246400).

Almost surely, 2^63525463531 is an apocalyptic number.

63525463531 is a deficient number, since it is larger than the sum of its proper divisors (5500507669).

63525463531 is a wasteful number, since it uses less digits than its factorization.

63525463531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107853129.

The product of its digits is 972000, while the sum is 43.

The spelling of 63525463531 in words is "sixty-three billion, five hundred twenty-five million, four hundred sixty-three thousand, five hundred thirty-one".