2565250 has 32 divisors (see below), whose sum is σ = 4972032. Its totient is φ = 990000.

The previous prime is 2565239. The next prime is 2565257. The reversal of 2565250 is 525652.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 (2565257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7585 + ... + 7915.

It is an arithmetic number, because the mean of its divisors is an integer number (155376).

2^2565250 is an apocalyptic number.

2565250 is a deficient number, since it is larger than the sum of its proper divisors (2406782).

2565250 is a wasteful number, since it uses less digits than its factorization.

2565250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2565250 is about 1601.6397847206. The cubic root of 2565250 is about 136.8915261907.

The spelling of 2565250 in words is "two million, five hundred sixty-five thousand, two hundred fifty".