265522501 has 2 divisors, whose sum is σ = 265522502. Its totient is φ = 265522500.

The previous prime is 265522469. The next prime is 265522529. The reversal of 265522501 is 105225562.

It is an a-pointer prime, because the next prime (265522529) can be obtained adding 265522501 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234886276 + 30636225 = 15326^2 + 5535^2 .

It is a cyclic number.

It is not a de Polignac number, because 265522501 - 2⁵ = 265522469 is a prime.

It is a super-3 number, since 3×265522501³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265522501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265522531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132761250 + 132761251.

It is an arithmetic number, because the mean of its divisors is an integer number (132761251).

Almost surely, 2^265522501 is an apocalyptic number.

It is an amenable number.

265522501 is a deficient number, since it is larger than the sum of its proper divisors (1).

265522501 is an equidigital number, since it uses as much as digits as its factorization.

265522501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 265522501 is about 16294.8611838211. The cubic root of 265522501 is about 642.7377034845.

The spelling of 265522501 in words is "two hundred sixty-five million, five hundred twenty-two thousand, five hundred one".