265064427 has 16 divisors (see below), whose sum is σ = 401822080. Its totient is φ = 172599336.

The previous prime is 265064417. The next prime is 265064461. The reversal of 265064427 is 724460562.

265064427 is a `hidden beast` number, since 2 + 6 + 5 + 0 + 644 + 2 + 7 = 666.

It is not a de Polignac number, because 265064427 - 2⁸ = 265064171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265064391 and 265064400.

It is not an unprimeable number, because it can be changed into a prime (265064417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112993 + ... + 115314.

It is an arithmetic number, because the mean of its divisors is an integer number (25113880).

Almost surely, 2^265064427 is an apocalyptic number.

265064427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

265064427 is a deficient number, since it is larger than the sum of its proper divisors (136757653).

265064427 is a wasteful number, since it uses less digits than its factorization.

265064427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228359 (or 228353 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 265064427 is about 16280.7993354135. The cubic root of 265064427 is about 642.3678780747.

The spelling of 265064427 in words is "two hundred sixty-five million, sixty-four thousand, four hundred twenty-seven".