61850852 has 72 divisors (see below), whose sum is σ = 135696960. Its totient is φ = 24131520.

The previous prime is 61850843. The next prime is 61850857. The reversal of 61850852 is 25805816.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61850857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293027 + ... + 293237.

It is an arithmetic number, because the mean of its divisors is an integer number (1884680).

Almost surely, 2^61850852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61850852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67848480).

61850852 is an abundant number, since it is smaller than the sum of its proper divisors (73846108).

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

61850852 is a wasteful number, since it uses less digits than its factorization.

61850852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 61850852 is about 7864.5312638453. The cubic root of 61850852 is about 395.4715342986.

The spelling of 61850852 in words is "sixty-one million, eight hundred fifty thousand, eight hundred fifty-two".