2529999 has 12 divisors (see below), whose sum is σ = 3689400. Its totient is φ = 1670544.

The previous prime is 2529997. The next prime is 2530001. The reversal of 2529999 is 9999252.

It is an interprime number because it is at equal distance from previous prime (2529997) and next prime (2530001).

It is not a de Polignac number, because 2529999 - 2¹ = 2529997 is a prime.

2529999 is a modest number, since divided by 9999 gives 252 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (307450).

2^2529999 is an apocalyptic number.

2529999 is a deficient number, since it is larger than the sum of its proper divisors (1159401).

2529999 is a wasteful number, since it uses less digits than its factorization.

2529999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2691 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 2529999 is about 1590.5970577113. The cubic root of 2529999 is about 136.2615892283.

The spelling of 2529999 in words is "two million, five hundred twenty-nine thousand, nine hundred ninety-nine".