2545872 has 40 divisors (see below), whose sum is σ = 7517376. Its totient is φ = 727296.

The previous prime is 2545861. The next prime is 2545883. The reversal of 2545872 is 2785452.

It is an interprime number because it is at equal distance from previous prime (2545861) and next prime (2545883).

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 7 ways as a sum of consecutive naturals, for example, 3453 + ... + 4124.

2^2545872 is an apocalyptic number.

It is an amenable number.

2545872 is an abundant number, since it is smaller than the sum of its proper divisors (4971504).

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

2545872 is a wasteful number, since it uses less digits than its factorization.

2545872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595 (or 7589 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 2545872 is about 1595.5788918133. The cubic root of 2545872 is about 136.5459599156.

The spelling of 2545872 in words is "two million, five hundred forty-five thousand, eight hundred seventy-two".