265426501 has 2 divisors, whose sum is σ = 265426502. Its totient is φ = 265426500.

The previous prime is 265426459. The next prime is 265426529. The reversal of 265426501 is 105624562.

265426501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173554276 + 91872225 = 13174^2 + 9585^2 .

It is a cyclic number.

It is not a de Polignac number, because 265426501 - 2⁷ = 265426373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265426541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132713250 + 132713251.

It is an arithmetic number, because the mean of its divisors is an integer number (132713251).

Almost surely, 2^265426501 is an apocalyptic number.

It is an amenable number.

265426501 is a deficient number, since it is larger than the sum of its proper divisors (1).

265426501 is an equidigital number, since it uses as much as digits as its factorization.

265426501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 265426501 is about 16291.9152035603. The cubic root of 265426501 is about 642.6602332675.

The spelling of 265426501 in words is "two hundred sixty-five million, four hundred twenty-six thousand, five hundred one".