61000250 has 64 divisors (see below), whose sum is σ = 125079552. Its totient is φ = 22176000.

The previous prime is 61000249. The next prime is 61000271. The reversal of 61000250 is 5200016.

61000250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131519 + ... + 131981.

It is an arithmetic number, because the mean of its divisors is an integer number (1954368).

Almost surely, 2^61000250 is an apocalyptic number.

61000250 is an abundant number, since it is smaller than the sum of its proper divisors (64079302).

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

61000250 is a wasteful number, since it uses less digits than its factorization.

61000250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 61000250 is about 7810.2656805002. The cubic root of 61000250 is about 393.6502560823.

Adding to 61000250 its reverse (5200016), we get a palindrome (66200266).

The spelling of 61000250 in words is "sixty-one million, two hundred fifty", and thus it is an aban number.