61928250 has 32 divisors (see below), whose sum is σ = 154574784. Its totient is φ = 16514000.

The previous prime is 61928249. The next prime is 61928257. The reversal of 61928250 is 5282916.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61928257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40536 + ... + 42035.

It is an arithmetic number, because the mean of its divisors is an integer number (4830462).

Almost surely, 2^61928250 is an apocalyptic number.

61928250 is an abundant number, since it is smaller than the sum of its proper divisors (92646534).

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

61928250 is a wasteful number, since it uses less digits than its factorization.

61928250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82591 (or 82581 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 61928250 is about 7869.4504255380. The cubic root of 61928250 is about 395.6364253019.

The spelling of 61928250 in words is "sixty-one million, nine hundred twenty-eight thousand, two hundred fifty".