2542149 has 6 divisors (see below), whose sum is σ = 3672006. Its totient is φ = 1694760.

The previous prime is 2542147. The next prime is 2542151. The reversal of 2542149 is 9412452.

It is an interprime number because it is at equal distance from previous prime (2542147) and next prime (2542151).

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 562500 = 1407^2 + 750^2 .

It is not a de Polignac number, because 2542149 - 2¹ = 2542147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141222 + ... + 141239.

It is an arithmetic number, because the mean of its divisors is an integer number (612001).

2^2542149 is an apocalyptic number.

It is an amenable number.

2542149 is a deficient number, since it is larger than the sum of its proper divisors (1129857).

2542149 is a wasteful number, since it uses less digits than its factorization.

2542149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282467 (or 282464 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2542149 is about 1594.4118037697. The cubic root of 2542149 is about 136.4793673278.

The spelling of 2542149 in words is "two million, five hundred forty-two thousand, one hundred forty-nine".