2520297 has 18 divisors (see below), whose sum is σ = 3944382. Its totient is φ = 1550016.

The previous prime is 2520283. The next prime is 2520313. The reversal of 2520297 is 7920252.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20736 + 2499561 = 144^2 + 1581^2 .

It is not a de Polignac number, because 2520297 - 2⁷ = 2520169 is a prime.

2520297 is a modest number, since divided by 297 gives 252 as remainder.

2520297 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520297.

It is not an unprimeable number, because it can be changed into a prime (2520247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 693 + ... + 2349.

2^2520297 is an apocalyptic number.

It is an amenable number.

2520297 is a deficient number, since it is larger than the sum of its proper divisors (1424085).

2520297 is a wasteful number, since it uses less digits than its factorization.

2520297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2520297 is about 1587.5443300897. The cubic root of 2520297 is about 136.0871881814.

The spelling of 2520297 in words is "two million, five hundred twenty thousand, two hundred ninety-seven".