2542999 has 2 divisors, whose sum is σ = 2543000.
Its totient is φ = 2542998.
The previous prime is 2542987. The next prime is 2543027. The reversal of 2542999 is 9992452.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2542999 - 221 = 445847 is a prime.
It is a plaindrome in base 5.
It is a zygodrome in base 5.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2542919) 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 as a sum of consecutive naturals, namely, 1271499 + 1271500.
It is an arithmetic number, because the mean of its divisors is an integer number (1271500).
22542999 is an apocalyptic number.
2542999 is a deficient number, since it is larger than the sum of its proper divisors (1).
2542999 is an equidigital number, since it uses as much as digits as its factorization.
2542999 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 58320, while the sum is 40.
The square root of 2542999 is about 1594.6783374712.
The cubic root of 2542999 is about 136.4945768396.
The spelling of 2542999 in words is "two million, five hundred forty-two thousand, nine hundred ninety-nine".