61858052 has 6 divisors (see below), whose sum is σ = 108251598. Its totient is φ = 30929024.

The previous prime is 61858033. The next prime is 61858057. The reversal of 61858052 is 25085816.

It is a happy number.

61858052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47004736 + 14853316 = 6856^2 + 3854^2 .

It is not an unprimeable number, because it can be changed into a prime (61858057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7732253 + ... + 7732260.

It is an arithmetic number, because the mean of its divisors is an integer number (18041933).

Almost surely, 2^61858052 is an apocalyptic number.

It is an amenable number.

61858052 is a deficient number, since it is larger than the sum of its proper divisors (46393546).

61858052 is a wasteful number, since it uses less digits than its factorization.

61858052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464517 (or 15464515 counting only the distinct ones).

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

The square root of 61858052 is about 7864.9890018995. The cubic root of 61858052 is about 395.4868791940.

The spelling of 61858052 in words is "sixty-one million, eight hundred fifty-eight thousand, fifty-two".