2542071 has 12 divisors (see below), whose sum is σ = 3943032. Its totient is φ = 1452528.

The previous prime is 2542051. The next prime is 2542087. The reversal of 2542071 is 1702452.

It is not a de Polignac number, because 2542071 - 2⁷ = 2541943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

2542071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8500 + ... + 8793.

It is an arithmetic number, because the mean of its divisors is an integer number (328586).

2^2542071 is an apocalyptic number.

2542071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2542071 is a deficient number, since it is larger than the sum of its proper divisors (1400961).

2542071 is a wasteful number, since it uses less digits than its factorization.

2542071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17310 (or 17303 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2542071 is about 1594.3873431510. The cubic root of 2542071 is about 136.4779714616.

The spelling of 2542071 in words is "two million, five hundred forty-two thousand, seventy-one".