2479657 has 2 divisors, whose sum is σ = 2479658. Its totient is φ = 2479656.

The previous prime is 2479627. The next prime is 2479661. The reversal of 2479657 is 7569742.

2479657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 104976 = 1541^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479657 - 2¹¹ = 2477609 is a prime.

It is a super-2 number, since 2×2479657² = 12297397675298, which contains 22 as substring.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (2479627) 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 as a sum of consecutive naturals, namely, 1239828 + 1239829.

It is an arithmetic number, because the mean of its divisors is an integer number (1239829).

2^2479657 is an apocalyptic number.

It is an amenable number.

2479657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479657 is an equidigital number, since it uses as much as digits as its factorization.

2479657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 2479657 is about 1574.6926684277. The cubic root of 2479657 is about 135.3517484600.

It can be divided in two parts, 2479 and 657, that added together give a square (3136 = 56²).

The spelling of 2479657 in words is "two million, four hundred seventy-nine thousand, six hundred fifty-seven".