2504869 has 2 divisors, whose sum is σ = 2504870. Its totient is φ = 2504868.

The previous prime is 2504837. The next prime is 2504881. The reversal of 2504869 is 9684052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2439844 + 65025 = 1562^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504869 - 2⁵ = 2504837 is a prime.

It is a super-2 number, since 2×2504869² = 12548737414322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2504819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252434 + 1252435.

It is an arithmetic number, because the mean of its divisors is an integer number (1252435).

2^2504869 is an apocalyptic number.

It is an amenable number.

2504869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504869 is an equidigital number, since it uses as much as digits as its factorization.

2504869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2504869 is about 1582.6777941198. The cubic root of 2504869 is about 135.8089336864.

The spelling of 2504869 in words is "two million, five hundred four thousand, eight hundred sixty-nine".