264859476025 has 9 divisors (see below), whose sum is σ = 328428941101. Its totient is φ = 211885522240.

The previous prime is 264859476023. The next prime is 264859476109. The reversal of 264859476025 is 520674958462.

It is a happy number.

The square root of 264859476025 is 514645.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 60877173289 + 203982302736 = 246733^2 + 451644^2 .

It is not a de Polignac number, because 264859476025 - 2¹ = 264859476023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264859476023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2521761 + ... + 2624689.

Almost surely, 2^264859476025 is an apocalyptic number.

264859476025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264859476025 is the 514645-th square number.

264859476025 is the 257323-rd centered octagonal number.

It is an amenable number.

264859476025 is a deficient number, since it is larger than the sum of its proper divisors (63569465076).

264859476025 is an frugal number, since it uses more digits than its factorization.

264859476025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205868 (or 102934 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 264859476025 in words is "two hundred sixty-four billion, eight hundred fifty-nine million, four hundred seventy-six thousand, twenty-five".