61098250 has 16 divisors (see below), whose sum is σ = 114376392. Its totient is φ = 24439200.

The previous prime is 61098229. The next prime is 61098253. The reversal of 61098250 is 5289016.

It can be written as a sum of positive squares in 4 ways, for example, as 23164969 + 37933281 = 4813^2 + 6159^2 .

It is not an unprimeable number, because it can be changed into a prime (61098253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121947 + ... + 122446.

Almost surely, 2^61098250 is an apocalyptic number.

61098250 is a deficient number, since it is larger than the sum of its proper divisors (53278142).

61098250 is a wasteful number, since it uses less digits than its factorization.

61098250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244410 (or 244400 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 61098250 is about 7816.5369569906. The cubic root of 61098250 is about 393.8609496696.

The spelling of 61098250 in words is "sixty-one million, ninety-eight thousand, two hundred fifty".