2521353 has 4 divisors (see below), whose sum is σ = 3361808. Its totient is φ = 1680900.

The previous prime is 2521339. The next prime is 2521361. The reversal of 2521353 is 3531252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2521353 - 2⁹ = 2520841 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2521373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420223 + ... + 420228.

It is an arithmetic number, because the mean of its divisors is an integer number (840452).

2^2521353 is an apocalyptic number.

It is an amenable number.

2521353 is a deficient number, since it is larger than the sum of its proper divisors (840455).

2521353 is an equidigital number, since it uses as much as digits as its factorization.

2521353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840454.

The product of its digits is 900, while the sum is 21.

The square root of 2521353 is about 1587.8768843963. The cubic root of 2521353 is about 136.1061922914.

The spelling of 2521353 in words is "two million, five hundred twenty-one thousand, three hundred fifty-three".