61868252 has 24 divisors (see below), whose sum is σ = 116877600. Its totient is φ = 28567616.

The previous prime is 61868239. The next prime is 61868267. The reversal of 61868252 is 25286816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8927 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (4869900).

Almost surely, 2^61868252 is an apocalyptic number.

It is an amenable number.

61868252 is a deficient number, since it is larger than the sum of its proper divisors (55009348).

61868252 is a wasteful number, since it uses less digits than its factorization.

61868252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245 (or 23243 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 61868252 is about 7865.6374185440. The cubic root of 61868252 is about 395.5086157577.

The spelling of 61868252 in words is "sixty-one million, eight hundred sixty-eight thousand, two hundred fifty-two".