265240007 has 2 divisors, whose sum is σ = 265240008. Its totient is φ = 265240006.

The previous prime is 265239959. The next prime is 265240009. The reversal of 265240007 is 700042562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265240007 - 2²² = 261045703 is a prime.

It is a super-2 number, since 2×265240007² = 140704522626720098, which contains 22 as substring.

Together with 265240009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265240009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132620003 + 132620004.

It is an arithmetic number, because the mean of its divisors is an integer number (132620004).

Almost surely, 2^265240007 is an apocalyptic number.

265240007 is a deficient number, since it is larger than the sum of its proper divisors (1).

265240007 is an equidigital number, since it uses as much as digits as its factorization.

265240007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 265240007 is about 16286.1906841348. The cubic root of 265240007 is about 642.5096826653.

Adding to 265240007 its reverse (700042562), we get a palindrome (965282569).

The spelling of 265240007 in words is "two hundred sixty-five million, two hundred forty thousand, seven".