2475779 has 2 divisors, whose sum is σ = 2475780. Its totient is φ = 2475778.

The previous prime is 2475773. The next prime is 2475787. The reversal of 2475779 is 9775742.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2475779 is a prime.

It is a super-2 number, since 2×2475779² = 12258963313682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2475773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1237889 + 1237890.

It is an arithmetic number, because the mean of its divisors is an integer number (1237890).

2^2475779 is an apocalyptic number.

2475779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2475779 is an equidigital number, since it uses as much as digits as its factorization.

2475779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 2475779 is about 1573.4608352291. The cubic root of 2475779 is about 135.2811516059.

The spelling of 2475779 in words is "two million, four hundred seventy-five thousand, seven hundred seventy-nine".