2520784823 has 2 divisors, whose sum is σ = 2520784824. Its totient is φ = 2520784822.

The previous prime is 2520784813. The next prime is 2520784879. The reversal of 2520784823 is 3284870252.

It is a happy number.

2520784823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520784823 - 2⁶ = 2520784759 is a prime.

It is a super-2 number, since 2×2520784823² = 12708712247734282658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520784813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260392411 + 1260392412.

It is an arithmetic number, because the mean of its divisors is an integer number (1260392412).

Almost surely, 2^2520784823 is an apocalyptic number.

2520784823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520784823 is an equidigital number, since it uses as much as digits as its factorization.

2520784823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 2520784823 is about 50207.4180077008. The cubic root of 2520784823 is about 1360.9596785802.

The spelling of 2520784823 in words is "two billion, five hundred twenty million, seven hundred eighty-four thousand, eight hundred twenty-three".