2520247007 has 4 divisors (see below), whose sum is σ = 2522843496. Its totient is φ = 2517650520.

The previous prime is 2520247003. The next prime is 2520247013. The reversal of 2520247007 is 7007420252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520247007 - 2² = 2520247003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520247003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296788 + ... + 1298729.

It is an arithmetic number, because the mean of its divisors is an integer number (630710874).

Almost surely, 2^2520247007 is an apocalyptic number.

2520247007 is a deficient number, since it is larger than the sum of its proper divisors (2596489).

2520247007 is an equidigital number, since it uses as much as digits as its factorization.

2520247007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596488.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2520247007 is about 50202.0617803691. The cubic root of 2520247007 is about 1360.8628836000.

Adding to 2520247007 its reverse (7007420252), we get a palindrome (9527667259).

The spelling of 2520247007 in words is "two billion, five hundred twenty million, two hundred forty-seven thousand, seven".