2520657479 has 2 divisors, whose sum is σ = 2520657480. Its totient is φ = 2520657478.

The previous prime is 2520657457. The next prime is 2520657493. The reversal of 2520657479 is 9747560252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520657479 - 2¹⁶ = 2520591943 is a prime.

It is a super-3 number, since 3×2520657479³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520657679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260328739 + 1260328740.

It is an arithmetic number, because the mean of its divisors is an integer number (1260328740).

Almost surely, 2^2520657479 is an apocalyptic number.

2520657479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520657479 is an equidigital number, since it uses as much as digits as its factorization.

2520657479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 2520657479 is about 50206.1498125479. The cubic root of 2520657479 is about 1360.9367607219.

The spelling of 2520657479 in words is "two billion, five hundred twenty million, six hundred fifty-seven thousand, four hundred seventy-nine".