265690247 has 2 divisors, whose sum is σ = 265690248. Its totient is φ = 265690246.

The previous prime is 265690241. The next prime is 265690253. The reversal of 265690247 is 742096562.

It is a balanced prime because it is at equal distance from previous prime (265690241) and next prime (265690253).

It is a cyclic number.

It is not a de Polignac number, because 265690247 - 2¹⁰ = 265689223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265690241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132845123 + 132845124.

It is an arithmetic number, because the mean of its divisors is an integer number (132845124).

Almost surely, 2^265690247 is an apocalyptic number.

265690247 is a deficient number, since it is larger than the sum of its proper divisors (1).

265690247 is an equidigital number, since it uses as much as digits as its factorization.

265690247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 265690247 is about 16300.0075766854. The cubic root of 265690247 is about 642.8730265823.

The spelling of 265690247 in words is "two hundred sixty-five million, six hundred ninety thousand, two hundred forty-seven".