264020025 has 24 divisors (see below), whose sum is σ = 450598144. Its totient is φ = 136267200.

The previous prime is 264020021. The next prime is 264020041. The reversal of 264020025 is 520020462.

It is not a de Polignac number, because 264020025 - 2² = 264020021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264019983 and 264020010.

It is not an unprimeable number, because it can be changed into a prime (264020021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54454 + ... + 59103.

Almost surely, 2^264020025 is an apocalyptic number.

264020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264020025 is a deficient number, since it is larger than the sum of its proper divisors (186578119).

264020025 is a wasteful number, since it uses less digits than its factorization.

264020025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113601 (or 113596 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 264020025 is about 16248.6930243635. The cubic root of 264020025 is about 641.5230855070.

Adding to 264020025 its reverse (520020462), we get a palindrome (784040487).

The spelling of 264020025 in words is "two hundred sixty-four million, twenty thousand, twenty-five".