2542737 has 8 divisors (see below), whose sum is σ = 3400704. Its totient is φ = 1689968.

The previous prime is 2542733. The next prime is 2542739. The reversal of 2542737 is 7372452.

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

It is a cyclic number.

It is not a de Polignac number, because 2542737 - 2² = 2542733 is a prime.

It is a super-3 number, since 3×2542737³ = 49320285572433328659, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2542733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (425088).

2^2542737 is an apocalyptic number.

It is an amenable number.

2542737 is a deficient number, since it is larger than the sum of its proper divisors (857967).

2542737 is a wasteful number, since it uses less digits than its factorization.

2542737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its digits is 11760, while the sum is 30.

The square root of 2542737 is about 1594.5961871270. The cubic root of 2542737 is about 136.4898890926.

The spelling of 2542737 in words is "two million, five hundred forty-two thousand, seven hundred thirty-seven".