2521394 has 8 divisors (see below), whose sum is σ = 3803760. Its totient is φ = 1253476.

The previous prime is 2521373. The next prime is 2521397. The reversal of 2521394 is 4931252.

2521394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2521397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164 + ... + 3879.

It is an arithmetic number, because the mean of its divisors is an integer number (475470).

2^2521394 is an apocalyptic number.

2521394 is a deficient number, since it is larger than the sum of its proper divisors (1282366).

2521394 is a wasteful number, since it uses less digits than its factorization.

2521394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its digits is 2160, while the sum is 26.

The square root of 2521394 is about 1587.8897946646. The cubic root of 2521394 is about 136.1069300334.

The spelling of 2521394 in words is "two million, five hundred twenty-one thousand, three hundred ninety-four".