2525490 has 48 divisors (see below), whose sum is σ = 7166016. Its totient is φ = 612000.

The previous prime is 2525489. The next prime is 2525507. The reversal of 2525490 is 945252.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (149292).

2^2525490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583008).

2525490 is an abundant number, since it is smaller than the sum of its proper divisors (4640526).

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

2525490 is a wasteful number, since it uses less digits than its factorization.

2525490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2525490 is about 1589.1790333377. The cubic root of 2525490 is about 136.1805919806.

The spelling of 2525490 in words is "two million, five hundred twenty-five thousand, four hundred ninety".