2521370 has 16 divisors (see below), whose sum is σ = 4591080. Its totient is φ = 996864.

The previous prime is 2521367. The next prime is 2521373. The reversal of 2521370 is 731252.

2521370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2521367) and next prime (2521373).

It can be written as a sum of positive squares in 4 ways, for example, as 1515361 + 1006009 = 1231^2 + 1003^2 .

It is not an unprimeable number, because it can be changed into a prime (2521373) 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 7 ways as a sum of consecutive naturals, for example, 527 + ... + 2306.

2^2521370 is an apocalyptic number.

2521370 is a deficient number, since it is larger than the sum of its proper divisors (2069710).

2521370 is a wasteful number, since it uses less digits than its factorization.

2521370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2521370 is about 1587.8822374471. The cubic root of 2521370 is about 136.1064981854.

The spelling of 2521370 in words is "two million, five hundred twenty-one thousand, three hundred seventy".