5139663 has 4 divisors (see below), whose sum is σ = 6852888. Its totient is φ = 3426440.

The previous prime is 5139653. The next prime is 5139679. The reversal of 5139663 is 3669315.

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

It is a cyclic number.

It is not a de Polignac number, because 5139663 - 2⁴ = 5139647 is a prime.

It is a super-2 number, since 2×5139663² = 52832271507138, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139613) 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, 856608 + ... + 856613.

It is an arithmetic number, because the mean of its divisors is an integer number (1713222).

Almost surely, 2^5139663 is an apocalyptic number.

5139663 is a deficient number, since it is larger than the sum of its proper divisors (1713225).

5139663 is a wasteful number, since it uses less digits than its factorization.

5139663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713224.

The product of its digits is 14580, while the sum is 33.

The square root of 5139663 is about 2267.0824863688. The cubic root of 5139663 is about 172.5751321529.

The spelling of 5139663 in words is "five million, one hundred thirty-nine thousand, six hundred sixty-three".