61526525 has 12 divisors (see below), whose sum is σ = 77917632. Its totient is φ = 48173040.

The previous prime is 61526477. The next prime is 61526533. The reversal of 61526525 is 52562516.

It is not a de Polignac number, because 61526525 - 2¹⁶ = 61460989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61526491 and 61526500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25007 + ... + 27356.

It is an arithmetic number, because the mean of its divisors is an integer number (6493136).

Almost surely, 2^61526525 is an apocalyptic number.

It is an amenable number.

61526525 is a deficient number, since it is larger than the sum of its proper divisors (16391107).

61526525 is a wasteful number, since it uses less digits than its factorization.

61526525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52420 (or 52415 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 61526525 is about 7843.8845605988. The cubic root of 61526525 is about 394.7790785137.

The spelling of 61526525 in words is "sixty-one million, five hundred twenty-six thousand, five hundred twenty-five".