2542759 has 2 divisors, whose sum is σ = 2542760. Its totient is φ = 2542758.

The previous prime is 2542739. The next prime is 2542817. The reversal of 2542759 is 9572452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271379 + 1271380.

It is an arithmetic number, because the mean of its divisors is an integer number (1271380).

2^2542759 is an apocalyptic number.

2542759 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542759 is an equidigital number, since it uses as much as digits as its factorization.

2542759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 2542759 is about 1594.6030854103. The cubic root of 2542759 is about 136.4902827326.

The spelling of 2542759 in words is "two million, five hundred forty-two thousand, seven hundred fifty-nine".