2542975 has 6 divisors (see below), whose sum is σ = 3153320. Its totient is φ = 2034360.

The previous prime is 2542957. The next prime is 2542987. The reversal of 2542975 is 5792452.

It is not a de Polignac number, because 2542975 - 2¹³ = 2534783 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50835 + ... + 50884.

2^2542975 is an apocalyptic number.

2542975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2542975 is a deficient number, since it is larger than the sum of its proper divisors (610345).

2542975 is a wasteful number, since it uses less digits than its factorization.

2542975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101729 (or 101724 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 2542975 is about 1594.6708124249. The cubic root of 2542975 is about 136.4941474410.

The spelling of 2542975 in words is "two million, five hundred forty-two thousand, nine hundred seventy-five".