2542259 has 4 divisors (see below), whose sum is σ = 2652816. Its totient is φ = 2431704.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542259 is 9522452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2542259 - 2¹⁶ = 2476723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55244 + ... + 55289.

It is an arithmetic number, because the mean of its divisors is an integer number (663204).

2^2542259 is an apocalyptic number.

2542259 is a deficient number, since it is larger than the sum of its proper divisors (110557).

2542259 is a wasteful number, since it uses less digits than its factorization.

2542259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110556.

The product of its digits is 7200, while the sum is 29.

The square root of 2542259 is about 1594.4462988762. The cubic root of 2542259 is about 136.4813358085.

It can be divided in two parts, 2542 and 259, that multiplied together give a triangular number (658378 = T₁₁₄₇).

The spelling of 2542259 in words is "two million, five hundred forty-two thousand, two hundred fifty-nine".