2521970 has 32 divisors (see below), whose sum is σ = 5023296. Its totient is φ = 904000.

The previous prime is 2521969. The next prime is 2521979. The reversal of 2521970 is 791252.

It is not an unprimeable number, because it can be changed into a prime (2521979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10997 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (156978).

2^2521970 is an apocalyptic number.

2521970 is a deficient number, since it is larger than the sum of its proper divisors (2501326).

2521970 is a wasteful number, since it uses less digits than its factorization.

2521970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2521970 is about 1588.0711570959. The cubic root of 2521970 is about 136.1172935628.

It can be divided in two parts, 252 and 1970, that added together give a palindrome (2222).

The spelling of 2521970 in words is "two million, five hundred twenty-one thousand, nine hundred seventy".