5215142 has 4 divisors (see below), whose sum is σ = 7822716. Its totient is φ = 2607570.

The previous prime is 5215127. The next prime is 5215151. The reversal of 5215142 is 2415125.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303784 + ... + 1303787.

It is an arithmetic number, because the mean of its divisors is an integer number (1955679).

Almost surely, 2^5215142 is an apocalyptic number.

5215142 is a deficient number, since it is larger than the sum of its proper divisors (2607574).

5215142 is a wasteful number, since it uses less digits than its factorization.

5215142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607573.

The product of its digits is 400, while the sum is 20.

The square root of 5215142 is about 2283.6685398718. The cubic root of 5215142 is about 173.4158195501.

The spelling of 5215142 in words is "five million, two hundred fifteen thousand, one hundred forty-two".