263407097 has 4 divisors (see below), whose sum is σ = 263663616. Its totient is φ = 263150580.

The previous prime is 263407069. The next prime is 263407139. The reversal of 263407097 is 790704362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 263407097 - 2⁸ = 263406841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263407097.

It is not an unprimeable number, because it can be changed into a prime (263407037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126713 + ... + 128774.

It is an arithmetic number, because the mean of its divisors is an integer number (65915904).

Almost surely, 2^263407097 is an apocalyptic number.

It is an amenable number.

263407097 is a deficient number, since it is larger than the sum of its proper divisors (256519).

263407097 is a wasteful number, since it uses less digits than its factorization.

263407097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256518.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 263407097 is about 16229.8212251399. The cubic root of 263407097 is about 641.0262644362.

The spelling of 263407097 in words is "two hundred sixty-three million, four hundred seven thousand, ninety-seven".