265320787 has 2 divisors, whose sum is σ = 265320788. Its totient is φ = 265320786.

The previous prime is 265320743. The next prime is 265320827. The reversal of 265320787 is 787023562.

It is an a-pointer prime, because the next prime (265320827) can be obtained adding 265320787 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265320787 - 2¹⁵ = 265288019 is a prime.

It is not a weakly prime, because it can be changed into another prime (265323787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132660393 + 132660394.

It is an arithmetic number, because the mean of its divisors is an integer number (132660394).

Almost surely, 2^265320787 is an apocalyptic number.

265320787 is a deficient number, since it is larger than the sum of its proper divisors (1).

265320787 is an equidigital number, since it uses as much as digits as its factorization.

265320787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 265320787 is about 16288.6705105113. The cubic root of 265320787 is about 642.5749024194.

The spelling of 265320787 in words is "two hundred sixty-five million, three hundred twenty thousand, seven hundred eighty-seven".