507869 has 4 divisors (see below), whose sum is σ = 510720. Its totient is φ = 505020.

The previous prime is 507839. The next prime is 507883. The reversal of 507869 is 968705.

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, and also an emirpimes, since its reverse is a distinct semiprime: 968705 = 5 ⋅193741.

It is a cyclic number.

It is not a de Polignac number, because 507869 - 2¹⁶ = 442333 is a prime.

It is a super-2 number, since 2×507869² = 515861842322, which contains 22 as substring.

It is a Duffinian 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 (507809) 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, 1139 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

2⁵⁰⁷⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

507869 is a deficient number, since it is larger than the sum of its proper divisors (2851).

507869 is a wasteful number, since it uses less digits than its factorization.

507869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 507869 is about 712.6492826068. The cubic root of 507869 is about 79.7842624896.

The spelling of 507869 in words is "five hundred seven thousand, eight hundred sixty-nine".