2521893 has 8 divisors (see below), whose sum is σ = 3668256. Its totient is φ = 1528400.

The previous prime is 2521847. The next prime is 2521901. The reversal of 2521893 is 3981252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2521893 - 2⁶ = 2521829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2521893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38178 + ... + 38243.

It is an arithmetic number, because the mean of its divisors is an integer number (458532).

2^2521893 is an apocalyptic number.

It is an amenable number.

2521893 is a deficient number, since it is larger than the sum of its proper divisors (1146363).

2521893 is a wasteful number, since it uses less digits than its factorization.

2521893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76435.

The product of its digits is 4320, while the sum is 30.

The square root of 2521893 is about 1588.0469136647. The cubic root of 2521893 is about 136.1159082518.

It can be divided in two parts, 252 and 1893, that added together give a triangular number (2145 = T₆₅).

The spelling of 2521893 in words is "two million, five hundred twenty-one thousand, eight hundred ninety-three".