2051542 has 8 divisors (see below), whose sum is σ = 3083616. Its totient is φ = 1023672.

The previous prime is 2051537. The next prime is 2051587. The reversal of 2051542 is 2451502.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (385452).

2^2051542 is an apocalyptic number.

2051542 is a deficient number, since it is larger than the sum of its proper divisors (1032074).

2051542 is a wasteful number, since it uses less digits than its factorization.

2051542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2051542 is about 1432.3204948614. The cubic root of 2051542 is about 127.0652525980.

The spelling of 2051542 in words is "two million, fifty-one thousand, five hundred forty-two".