63525131 has 8 divisors (see below), whose sum is σ = 64120320. Its totient is φ = 62932968.

The previous prime is 63525127. The next prime is 63525173. The reversal of 63525131 is 13152536.

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 63525131 - 2² = 63525127 is a prime.

It is a super-2 number, since 2×63525131² = 8070884537134322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63525131.

It is not an unprimeable number, because it can be changed into a prime (63525101) 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, 65210 + ... + 66176.

It is an arithmetic number, because the mean of its divisors is an integer number (8015040).

Almost surely, 2^63525131 is an apocalyptic number.

63525131 is a deficient number, since it is larger than the sum of its proper divisors (595189).

63525131 is a wasteful number, since it uses less digits than its factorization.

63525131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

The product of its digits is 2700, while the sum is 26.

The square root of 63525131 is about 7970.2654284534. The cubic root of 63525131 is about 399.0082326092.

Adding to 63525131 its reverse (13152536), we get a palindrome (76677667).

The spelling of 63525131 in words is "sixty-three million, five hundred twenty-five thousand, one hundred thirty-one".