61938250 has 64 divisors (see below), whose sum is σ = 128314368. Its totient is φ = 22200000.

The previous prime is 61938221. The next prime is 61938277. The reversal of 61938250 is 5283916.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277639 + ... + 277861.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^61938250 is an apocalyptic number.

61938250 is an abundant number, since it is smaller than the sum of its proper divisors (66376118).

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

61938250 is a wasteful number, since it uses less digits than its factorization.

61938250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 61938250 is about 7870.0857682747. The cubic root of 61938250 is about 395.6577195756.

The spelling of 61938250 in words is "sixty-one million, nine hundred thirty-eight thousand, two hundred fifty".