2469871 has 2 divisors, whose sum is σ = 2469872. Its totient is φ = 2469870.

The previous prime is 2469869. The next prime is 2469889. The reversal of 2469871 is 1789642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2469871 - 2¹ = 2469869 is a prime.

It is a super-2 number, since 2×2469871² = 12200525513282, which contains 22 as substring.

Together with 2469869, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2469871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2461871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234935 + 1234936.

It is an arithmetic number, because the mean of its divisors is an integer number (1234936).

2^2469871 is an apocalyptic number.

2469871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469871 is an equidigital number, since it uses as much as digits as its factorization.

2469871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 2469871 is about 1571.5823236471. The cubic root of 2469871 is about 135.1734578745.

The spelling of 2469871 in words is "two million, four hundred sixty-nine thousand, eight hundred seventy-one".