2057542 has 8 divisors (see below), whose sum is σ = 3099096. Its totient is φ = 1024512.

The previous prime is 2057537. The next prime is 2057543. The reversal of 2057542 is 2457502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (387387).

2^2057542 is an apocalyptic number.

2057542 is a deficient number, since it is larger than the sum of its proper divisors (1041554).

2057542 is a wasteful number, since it uses less digits than its factorization.

2057542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2057542 is about 1434.4134689831. The cubic root of 2057542 is about 127.1890049566.

The spelling of 2057542 in words is "two million, fifty-seven thousand, five hundred forty-two".