265520747 has 2 divisors, whose sum is σ = 265520748. Its totient is φ = 265520746.

The previous prime is 265520741. The next prime is 265520753. The reversal of 265520747 is 747025562.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (265520741) and next prime (265520753).

It is a cyclic number.

It is not a de Polignac number, because 265520747 - 2¹² = 265516651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265520747.

It is not a weakly prime, because it can be changed into another prime (265520741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132760373 + 132760374.

It is an arithmetic number, because the mean of its divisors is an integer number (132760374).

Almost surely, 2^265520747 is an apocalyptic number.

265520747 is a deficient number, since it is larger than the sum of its proper divisors (1).

265520747 is an equidigital number, since it uses as much as digits as its factorization.

265520747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 265520747 is about 16294.8073630835. The cubic root of 265520747 is about 642.7362882066.

The spelling of 265520747 in words is "two hundred sixty-five million, five hundred twenty thousand, seven hundred forty-seven".