2542997 has 4 divisors (see below), whose sum is σ = 2571660. Its totient is φ = 2514336.

The previous prime is 2542987. The next prime is 2542999. The reversal of 2542997 is 7992452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 152881 + 2390116 = 391^2 + 1546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542997 - 2⁶ = 2542933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542999) 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, 14198 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (642915).

2^2542997 is an apocalyptic number.

It is an amenable number.

2542997 is a deficient number, since it is larger than the sum of its proper divisors (28663).

2542997 is an equidigital number, since it uses as much as digits as its factorization.

2542997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28662.

The product of its digits is 45360, while the sum is 38.

The square root of 2542997 is about 1594.6777103854. The cubic root of 2542997 is about 136.4945410564.

The spelling of 2542997 in words is "two million, five hundred forty-two thousand, nine hundred ninety-seven".