61252047 has 12 divisors (see below), whose sum is σ = 90145224. Its totient is φ = 40063920.

The previous prime is 61252039. The next prime is 61252049. The reversal of 61252047 is 74025216.

61252047 is a `hidden beast` number, since 612 + 5 + 2 + 0 + 47 = 666.

It is not a de Polignac number, because 61252047 - 2³ = 61252039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61252047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61252049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63729 + ... + 64682.

It is an arithmetic number, because the mean of its divisors is an integer number (7512102).

Almost surely, 2^61252047 is an apocalyptic number.

61252047 is a deficient number, since it is larger than the sum of its proper divisors (28893177).

61252047 is a wasteful number, since it uses less digits than its factorization.

61252047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128470 (or 128467 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 61252047 is about 7826.3686981895. The cubic root of 61252047 is about 394.1911494005.

The spelling of 61252047 in words is "sixty-one million, two hundred fifty-two thousand, forty-seven".