2525250 has 128 divisors (see below), whose sum is σ = 7967232. Its totient is φ = 518400.

The previous prime is 2525249. The next prime is 2525267. The reversal of 2525250 is 525252.

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68232 + ... + 68268.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^2525250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3983616).

2525250 is an abundant number, since it is smaller than the sum of its proper divisors (5441982).

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

2525250 is a wasteful number, since it uses less digits than its factorization.

2525250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2525250 is about 1589.1035208570. The cubic root of 2525250 is about 136.1762780484.

It can be divided in two parts, 2525 and 250, that added together give a triangular number (2775 = T₇₄).

The spelling of 2525250 in words is "two million, five hundred twenty-five thousand, two hundred fifty".