2521894 has 8 divisors (see below), whose sum is σ = 3793320. Its totient is φ = 1257456.

The previous prime is 2521847. The next prime is 2521901. The reversal of 2521894 is 4981252.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 724 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (474165).

2^2521894 is an apocalyptic number.

2521894 is a deficient number, since it is larger than the sum of its proper divisors (1271426).

2521894 is a wasteful number, since it uses less digits than its factorization.

2521894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494.

The product of its digits is 5760, while the sum is 31.

The square root of 2521894 is about 1588.0472285168. The cubic root of 2521894 is about 136.1159262430.

The spelling of 2521894 in words is "two million, five hundred twenty-one thousand, eight hundred ninety-four".