61525884 has 48 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 17532096.

The previous prime is 61525879. The next prime is 61525889. The reversal of 61525884 is 48852516.

It is an interprime number because it is at equal distance from previous prime (61525879) and next prime (61525889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61525889) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42037 + ... + 43475.

It is an arithmetic number, because the mean of its divisors is an integer number (3427200).

Almost surely, 2^61525884 is an apocalyptic number.

It is an amenable number.

61525884 is an abundant number, since it is smaller than the sum of its proper divisors (102979716).

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

61525884 is a wasteful number, since it uses less digits than its factorization.

61525884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 61525884 is about 7843.8437006356. The cubic root of 61525884 is about 394.7777075372. Note that the first 4 decimals are identical.

The spelling of 61525884 in words is "sixty-one million, five hundred twenty-five thousand, eight hundred eighty-four".