5142520 has 16 divisors (see below), whose sum is σ = 11570760. Its totient is φ = 2056992.

The previous prime is 5142503. The next prime is 5142523. The reversal of 5142520 is 252415.

It is an Ulam number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 64242 + ... + 64321.

Almost surely, 2^5142520 is an apocalyptic number.

It is an amenable number.

5142520 is an abundant number, since it is smaller than the sum of its proper divisors (6428240).

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

5142520 is a wasteful number, since it uses less digits than its factorization.

5142520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128574 (or 128570 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5142520 is about 2267.7125038241. The cubic root of 5142520 is about 172.6071028497.

Adding to 5142520 its reverse (252415), we get a palindrome (5394935).

The spelling of 5142520 in words is "five million, one hundred forty-two thousand, five hundred twenty".