265622525226497 has 4 divisors (see below), whose sum is σ = 265622572382256. Its totient is φ = 265622478070740.

The previous prime is 265622525226469. The next prime is 265622525226517. The reversal of 265622525226497 is 794622525226562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265622525226497 - 2¹⁸ = 265622524964353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265622525226437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13768079 + ... + 26847812.

It is an arithmetic number, because the mean of its divisors is an integer number (66405643095564).

Almost surely, 2^{265622525226497} is an apocalyptic number.

It is an amenable number.

265622525226497 is a deficient number, since it is larger than the sum of its proper divisors (47155759).

265622525226497 is an equidigital number, since it uses as much as digits as its factorization.

265622525226497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47155758.

The product of its digits is 435456000, while the sum is 65.

Adding to 265622525226497 its sum of digits (65), we get a palindrome (265622525226562).

The spelling of 265622525226497 in words is "two hundred sixty-five trillion, six hundred twenty-two billion, five hundred twenty-five million, two hundred twenty-six thousand, four hundred ninety-seven".