268570051 has 4 divisors (see below), whose sum is σ = 268603504. Its totient is φ = 268536600.

The previous prime is 268570037. The next prime is 268570061. The reversal of 268570051 is 150075862.

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: 150075862 = 2 ⋅75037931.

It is a 3-Lehmer number, since φ(268570051) divides (268570051-1)³.

It is a cyclic number.

It is not a de Polignac number, because 268570051 - 2⁷ = 268569923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268569989 and 268570016.

It is not an unprimeable number, because it can be changed into a prime (268570061) 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, 3346 + ... + 23416.

It is an arithmetic number, because the mean of its divisors is an integer number (67150876).

Almost surely, 2^268570051 is an apocalyptic number.

268570051 is the 13381-st pentagonal number.

268570051 is a deficient number, since it is larger than the sum of its proper divisors (33453).

268570051 is a wasteful number, since it uses less digits than its factorization.

268570051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33452.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 268570051 is about 16388.1069986744. The cubic root of 268570051 is about 645.1873750029.

The spelling of 268570051 in words is "two hundred sixty-eight million, five hundred seventy thousand, fifty-one".