2797567 has 2 divisors, whose sum is σ = 2797568. Its totient is φ = 2797566.

The previous prime is 2797549. The next prime is 2797589. The reversal of 2797567 is 7657972.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2797567 - 2⁷ = 2797439 is a prime.

It is a super-2 number, since 2×2797567² = 15652762238978, which contains 22 as substring.

2797567 is a lucky number.

It is a plaindrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2797507) 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, 1398783 + 1398784.

It is an arithmetic number, because the mean of its divisors is an integer number (1398784).

2^2797567 is an apocalyptic number.

2797567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797567 is an equidigital number, since it uses as much as digits as its factorization.

2797567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 43.

The square root of 2797567 is about 1672.5928972706. The cubic root of 2797567 is about 140.9051388164.

It can be divided in two parts, 2797 and 567, that added together give a square (3364 = 58²).

The spelling of 2797567 in words is "two million, seven hundred ninety-seven thousand, five hundred sixty-seven".