265548401 has 2 divisors, whose sum is σ = 265548402. Its totient is φ = 265548400.

The previous prime is 265548379. The next prime is 265548407. The reversal of 265548401 is 104845562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 52417600 = 14599^2 + 7240^2 .

It is a cyclic number.

It is not a de Polignac number, because 265548401 - 2⁶ = 265548337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265548407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132774200 + 132774201.

It is an arithmetic number, because the mean of its divisors is an integer number (132774201).

Almost surely, 2^265548401 is an apocalyptic number.

It is an amenable number.

265548401 is a deficient number, since it is larger than the sum of its proper divisors (1).

265548401 is an equidigital number, since it uses as much as digits as its factorization.

265548401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 265548401 is about 16295.6558935196. The cubic root of 265548401 is about 642.7586011049.

The spelling of 265548401 in words is "two hundred sixty-five million, five hundred forty-eight thousand, four hundred one".