264118025 has 12 divisors (see below), whose sum is σ = 336359052. Its totient is φ = 205583040.

The previous prime is 264118007. The next prime is 264118061. The reversal of 264118025 is 520811462.

It can be written as a sum of positive squares in 6 ways, for example, as 41422096 + 222695929 = 6436^2 + 14923^2 .

It is not a de Polignac number, because 264118025 - 2⁶ = 264117961 is a prime.

It is a super-2 number, since 2×264118025² = 139516662259801250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141842 + ... + 143691.

It is an arithmetic number, because the mean of its divisors is an integer number (28029921).

Almost surely, 2^264118025 is an apocalyptic number.

264118025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264118025 is a deficient number, since it is larger than the sum of its proper divisors (72241027).

264118025 is a wasteful number, since it uses less digits than its factorization.

264118025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285580 (or 285575 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 264118025 is about 16251.7083717374. The cubic root of 264118025 is about 641.6024500493.

Adding to 264118025 its reverse (520811462), we get a palindrome (784929487).

The spelling of 264118025 in words is "two hundred sixty-four million, one hundred eighteen thousand, twenty-five".