2147250 has 64 divisors (see below), whose sum is σ = 6140160. Its totient is φ = 489600.

The previous prime is 2147237. The next prime is 2147251. The reversal of 2147250 is 527412.

2147250 = 64² + 65² + ... + 188².

It is a super-2 number, since 2×2147250² = 9221365125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2147251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5046 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (95940).

2^2147250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3070080).

2147250 is an abundant number, since it is smaller than the sum of its proper divisors (3992910).

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

2147250 is a wasteful number, since it uses less digits than its factorization.

2147250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2147250 is about 1465.3497875934. The cubic root of 2147250 is about 129.0112363267.

The spelling of 2147250 in words is "two million, one hundred forty-seven thousand, two hundred fifty".