2520369 has 32 divisors (see below), whose sum is σ = 4176000. Its totient is φ = 1498176.

The previous prime is 2520367. The next prime is 2520379. The reversal of 2520369 is 9630252.

2520369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520369 - 2¹ = 2520367 is a prime.

It is a super-2 number, since 2×2520369² = 12704519792322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

2520369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2520367) 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 31 ways as a sum of consecutive naturals, for example, 132642 + ... + 132660.

It is an arithmetic number, because the mean of its divisors is an integer number (130500).

2^2520369 is an apocalyptic number.

It is an amenable number.

2520369 is a deficient number, since it is larger than the sum of its proper divisors (1655631).

2520369 is an equidigital number, since it uses as much as digits as its factorization.

2520369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2520369 is about 1587.5670064599. The cubic root of 2520369 is about 136.0884840848.

The spelling of 2520369 in words is "two million, five hundred twenty thousand, three hundred sixty-nine".