2542990 has 8 divisors (see below), whose sum is σ = 4577400. Its totient is φ = 1017192.

The previous prime is 2542987. The next prime is 2542999. The reversal of 2542990 is 992452.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 127140 + ... + 127159.

It is an arithmetic number, because the mean of its divisors is an integer number (572175).

2^2542990 is an apocalyptic number.

2542990 is a deficient number, since it is larger than the sum of its proper divisors (2034410).

2542990 is a wasteful number, since it uses less digits than its factorization.

2542990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254306.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2542990 is about 1594.6755155830. The cubic root of 2542990 is about 136.4944158154.

The spelling of 2542990 in words is "two million, five hundred forty-two thousand, nine hundred ninety".