263453045 has 16 divisors (see below), whose sum is σ = 328342080. Its totient is φ = 202777344.

The previous prime is 263453041. The next prime is 263453051. The reversal of 263453045 is 540354362.

It is a cyclic number.

It is not a de Polignac number, because 263453045 - 2² = 263453041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263453041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5261 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (20521380).

Almost surely, 2^263453045 is an apocalyptic number.

It is an amenable number.

263453045 is a deficient number, since it is larger than the sum of its proper divisors (64889035).

263453045 is a wasteful number, since it uses less digits than its factorization.

263453045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18404.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 263453045 is about 16231.2367058090. The cubic root of 263453045 is about 641.0635352143.

The spelling of 263453045 in words is "two hundred sixty-three million, four hundred fifty-three thousand, forty-five".