265493797 has 2 divisors, whose sum is σ = 265493798. Its totient is φ = 265493796.

The previous prime is 265493791. The next prime is 265493803. The reversal of 265493797 is 797394562.

It is a balanced prime because it is at equal distance from previous prime (265493791) and next prime (265493803).

It can be written as a sum of positive squares in only one way, i.e., 260693316 + 4800481 = 16146^2 + 2191^2 .

It is a cyclic number.

It is not a de Polignac number, because 265493797 - 2¹¹ = 265491749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265493791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132746898 + 132746899.

It is an arithmetic number, because the mean of its divisors is an integer number (132746899).

Almost surely, 2^265493797 is an apocalyptic number.

It is an amenable number.

265493797 is a deficient number, since it is larger than the sum of its proper divisors (1).

265493797 is an equidigital number, since it uses as much as digits as its factorization.

265493797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 52.

The square root of 265493797 is about 16293.9803915434. The cubic root of 265493797 is about 642.7145418468.

The spelling of 265493797 in words is "two hundred sixty-five million, four hundred ninety-three thousand, seven hundred ninety-seven".