265101061 has 2 divisors, whose sum is σ = 265101062. Its totient is φ = 265101060.

The previous prime is 265101047. The next prime is 265101131. The reversal of 265101061 is 160101562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258598561 + 6502500 = 16081^2 + 2550^2 .

It is a cyclic number.

It is not a de Polignac number, because 265101061 - 2⁵ = 265101029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265101461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132550530 + 132550531.

It is an arithmetic number, because the mean of its divisors is an integer number (132550531).

Almost surely, 2^265101061 is an apocalyptic number.

It is an amenable number.

265101061 is a deficient number, since it is larger than the sum of its proper divisors (1).

265101061 is an equidigital number, since it uses as much as digits as its factorization.

265101061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 265101061 is about 16281.9243641530. The cubic root of 265101061 is about 642.3974701517.

The spelling of 265101061 in words is "two hundred sixty-five million, one hundred one thousand, sixty-one".