265413610643025 has 48 divisors (see below), whose sum is σ = 472574692908864. Its totient is φ = 130664510618880.

The previous prime is 265413610643017. The next prime is 265413610643101. The reversal of 265413610643025 is 520346016314562.

It is not a de Polignac number, because 265413610643025 - 2³ = 265413610643017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237964702 + ... + 239077448.

It is an arithmetic number, because the mean of its divisors is an integer number (9845306102268).

Almost surely, 2^{265413610643025} is an apocalyptic number.

265413610643025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265413610643025 is a deficient number, since it is larger than the sum of its proper divisors (207161082265839).

265413610643025 is a wasteful number, since it uses less digits than its factorization.

265413610643025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357410 (or 1357405 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

Adding to 265413610643025 its reverse (520346016314562), we get a palindrome (785759626957587).

The spelling of 265413610643025 in words is "two hundred sixty-five trillion, four hundred thirteen billion, six hundred ten million, six hundred forty-three thousand, twenty-five".