61850250 has 384 divisors, whose sum is σ = 230480640. Its totient is φ = 12096000.

The previous prime is 61850237. The next prime is 61850251. The reversal of 61850250 is 5205816.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61850251) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3638242 + ... + 3638258.

It is an arithmetic number, because the mean of its divisors is an integer number (600210).

Almost surely, 2^61850250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61850250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115240320).

61850250 is an abundant number, since it is smaller than the sum of its proper divisors (168630390).

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

61850250 is a wasteful number, since it uses less digits than its factorization.

61850250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 61850250 is about 7864.4929906511. The cubic root of 61850250 is about 395.4702512409.

The spelling of 61850250 in words is "sixty-one million, eight hundred fifty thousand, two hundred fifty".