5142522 has 32 divisors (see below), whose sum is σ = 12824064. Its totient is φ = 1335600.

The previous prime is 5142503. The next prime is 5142523. The reversal of 5142522 is 2252415.

It is a happy number.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5142523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 6027.

It is an arithmetic number, because the mean of its divisors is an integer number (400752).

Almost surely, 2^5142522 is an apocalyptic number.

5142522 is an abundant number, since it is smaller than the sum of its proper divisors (7681542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5142522 is a wasteful number, since it uses less digits than its factorization.

5142522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154.

The product of its digits is 800, while the sum is 21.

The square root of 5142522 is about 2267.7129447970. The cubic root of 5142522 is about 172.6071252262.

Adding to 5142522 its reverse (2252415), we get a palindrome (7394937).

The spelling of 5142522 in words is "five million, one hundred forty-two thousand, five hundred twenty-two".