5402542 has 4 divisors (see below), whose sum is σ = 8103816. Its totient is φ = 2701270.

The previous prime is 5402533. The next prime is 5402543. The reversal of 5402542 is 2452045.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350634 + ... + 1350637.

It is an arithmetic number, because the mean of its divisors is an integer number (2025954).

Almost surely, 2^5402542 is an apocalyptic number.

5402542 is a deficient number, since it is larger than the sum of its proper divisors (2701274).

5402542 is a wasteful number, since it uses less digits than its factorization.

5402542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701273.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5402542 is about 2324.3368946863. The cubic root of 5402542 is about 175.4685890597.

Adding to 5402542 its reverse (2452045), we get a palindrome (7854587).

The spelling of 5402542 in words is "five million, four hundred two thousand, five hundred forty-two".