2520415879 has 2 divisors, whose sum is σ = 2520415880. Its totient is φ = 2520415878.

The previous prime is 2520415853. The next prime is 2520415883. The reversal of 2520415879 is 9785140252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520415879 - 2⁹ = 2520415367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520415679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260207939 + 1260207940.

It is an arithmetic number, because the mean of its divisors is an integer number (1260207940).

Almost surely, 2^2520415879 is an apocalyptic number.

2520415879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520415879 is an equidigital number, since it uses as much as digits as its factorization.

2520415879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2520415879 is about 50203.7436751484. The cubic root of 2520415879 is about 1360.8932783065.

The spelling of 2520415879 in words is "two billion, five hundred twenty million, four hundred fifteen thousand, eight hundred seventy-nine".