63525834 has 24 divisors (see below), whose sum is σ = 142386660. Its totient is φ = 20444928.

The previous prime is 63525829. The next prime is 63525871. The reversal of 63525834 is 43852536.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63250209 + 275625 = 7953^2 + 525^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60327 + ... + 61370.

Almost surely, 2^63525834 is an apocalyptic number.

63525834 is an abundant number, since it is smaller than the sum of its proper divisors (78860826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63525834 is a wasteful number, since it uses less digits than its factorization.

63525834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121734 (or 121731 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 63525834 is about 7970.3095297485. The cubic root of 63525834 is about 399.0097044769.

It can be divided in two parts, 6 and 3525834, that added together give a triangular number (3525840 = T₂₆₅₅).

The spelling of 63525834 in words is "sixty-three million, five hundred twenty-five thousand, eight hundred thirty-four".