61852045 has 4 divisors (see below), whose sum is σ = 74222460. Its totient is φ = 49481632.

The previous prime is 61852033. The next prime is 61852051. The reversal of 61852045 is 54025816.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44262409 + 17589636 = 6653^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 61852045 - 2⁹ = 61851533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 61851998 and 61852016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6185200 + ... + 6185209.

It is an arithmetic number, because the mean of its divisors is an integer number (18555615).

Almost surely, 2^61852045 is an apocalyptic number.

It is an amenable number.

61852045 is a deficient number, since it is larger than the sum of its proper divisors (12370415).

61852045 is a wasteful number, since it uses less digits than its factorization.

61852045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370414.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 61852045 is about 7864.6071103393. The cubic root of 61852045 is about 395.4740769448.

The spelling of 61852045 in words is "sixty-one million, eight hundred fifty-two thousand, forty-five".