5130442 has 4 divisors (see below), whose sum is σ = 7695666. Its totient is φ = 2565220.

The previous prime is 5130421. The next prime is 5130443. The reversal of 5130442 is 2440315.

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

It can be written as a sum of positive squares in only one way, i.e., 4322241 + 808201 = 2079^2 + 899^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5130443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282609 + ... + 1282612.

Almost surely, 2^5130442 is an apocalyptic number.

5130442 is a deficient number, since it is larger than the sum of its proper divisors (2565224).

5130442 is a wasteful number, since it uses less digits than its factorization.

5130442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565223.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5130442 is about 2265.0479023632. The cubic root of 5130442 is about 172.4718654669.

Adding to 5130442 its reverse (2440315), we get a palindrome (7570757).

The spelling of 5130442 in words is "five million, one hundred thirty thousand, four hundred forty-two".