2013442 has 4 divisors (see below), whose sum is σ = 3020166. Its totient is φ = 1006720.

The previous prime is 2013439. The next prime is 2013457. The reversal of 2013442 is 2443102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2443102 = 2 ⋅1221551.

It can be written as a sum of positive squares in only one way, i.e., 1687401 + 326041 = 1299^2 + 571^2 .

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, 503359 + ... + 503362.

2^2013442 is an apocalyptic number.

2013442 is a deficient number, since it is larger than the sum of its proper divisors (1006724).

2013442 is a wasteful number, since it uses less digits than its factorization.

2013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006723.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2013442 is about 1418.9580684432. The cubic root of 2013442 is about 126.2737392865.

Adding to 2013442 its reverse (2443102), we get a palindrome (4456544).

The spelling of 2013442 in words is "two million, thirteen thousand, four hundred forty-two".