265312141 has 2 divisors, whose sum is σ = 265312142. Its totient is φ = 265312140.

The previous prime is 265312139. The next prime is 265312247. The reversal of 265312141 is 141213562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167598916 + 97713225 = 12946^2 + 9885^2 .

It is a cyclic number.

It is not a de Polignac number, because 265312141 - 2¹ = 265312139 is a prime.

Together with 265312139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265312111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132656070 + 132656071.

It is an arithmetic number, because the mean of its divisors is an integer number (132656071).

Almost surely, 2^265312141 is an apocalyptic number.

It is an amenable number.

265312141 is a deficient number, since it is larger than the sum of its proper divisors (1).

265312141 is an equidigital number, since it uses as much as digits as its factorization.

265312141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 265312141 is about 16288.4051091566. The cubic root of 265312141 is about 642.5679224876.

The spelling of 265312141 in words is "two hundred sixty-five million, three hundred twelve thousand, one hundred forty-one".