2855042 has 4 divisors (see below), whose sum is σ = 4282566. Its totient is φ = 1427520.

The previous prime is 2855033. The next prime is 2855051. The reversal of 2855042 is 2405582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2405582 = 2 ⋅1202791.

It is an interprime number because it is at equal distance from previous prime (2855033) and next prime (2855051).

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 323761 = 1591^2 + 569^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713759 + ... + 713762.

2^2855042 is an apocalyptic number.

2855042 is a deficient number, since it is larger than the sum of its proper divisors (1427524).

2855042 is a wasteful number, since it uses less digits than its factorization.

2855042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427523.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2855042 is about 1689.6869532550. The cubic root of 2855042 is about 141.8635533857.

The spelling of 2855042 in words is "two million, eight hundred fifty-five thousand, forty-two".