2520737 has 4 divisors (see below), whose sum is σ = 2524416. Its totient is φ = 2517060.

The previous prime is 2520697. The next prime is 2520769. The reversal of 2520737 is 7370252.

2520737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 2520737 - 2⁸ = 2520481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520797) 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 3 ways as a sum of consecutive naturals, for example, 473 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (631104).

2^2520737 is an apocalyptic number.

It is an amenable number.

2520737 is a deficient number, since it is larger than the sum of its proper divisors (3679).

2520737 is an equidigital number, since it uses as much as digits as its factorization.

2520737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 2520737 is about 1587.6829028493. The cubic root of 2520737 is about 136.0951072056.

Adding to 2520737 its reverse (7370252), we get a palindrome (9890989).

The spelling of 2520737 in words is "two million, five hundred twenty thousand, seven hundred thirty-seven".