5123949 has 4 divisors (see below), whose sum is σ = 6831936. Its totient is φ = 3415964.

The previous prime is 5123947. The next prime is 5123969. The reversal of 5123949 is 9493215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5123949 - 2¹ = 5123947 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123947) 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, 853989 + ... + 853994.

It is an arithmetic number, because the mean of its divisors is an integer number (1707984).

Almost surely, 2^5123949 is an apocalyptic number.

It is an amenable number.

5123949 is a deficient number, since it is larger than the sum of its proper divisors (1707987).

5123949 is a wasteful number, since it uses less digits than its factorization.

5123949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707986.

The product of its digits is 9720, while the sum is 33.

The square root of 5123949 is about 2263.6141455646. The cubic root of 5123949 is about 172.3990755994.

The spelling of 5123949 in words is "five million, one hundred twenty-three thousand, nine hundred forty-nine".