5142479 has 4 divisors (see below), whose sum is σ = 5147784. Its totient is φ = 5137176.

The previous prime is 5142469. The next prime is 5142493. The reversal of 5142479 is 9742415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9742415 = 5 ⋅1948483.

It is a cyclic number.

It is not a de Polignac number, because 5142479 - 2⁴ = 5142463 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142419) 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, 737 + ... + 3290.

It is an arithmetic number, because the mean of its divisors is an integer number (1286946).

Almost surely, 2^5142479 is an apocalyptic number.

5142479 is a deficient number, since it is larger than the sum of its proper divisors (5305).

5142479 is a wasteful number, since it uses less digits than its factorization.

5142479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its digits is 10080, while the sum is 32.

The square root of 5142479 is about 2267.7034638594. The cubic root of 5142479 is about 172.6066441311.

The spelling of 5142479 in words is "five million, one hundred forty-two thousand, four hundred seventy-nine".