263893045 has 16 divisors (see below), whose sum is σ = 342478080. Its totient is φ = 194048064.

The previous prime is 263893043. The next prime is 263893051. The reversal of 263893045 is 540398362.

It is a cyclic number.

It is not a de Polignac number, because 263893045 - 2¹ = 263893043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263892989 and 263893007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263893043) 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, 7042 + ... + 24028.

It is an arithmetic number, because the mean of its divisors is an integer number (21404880).

Almost surely, 2^263893045 is an apocalyptic number.

It is an amenable number.

263893045 is a deficient number, since it is larger than the sum of its proper divisors (78585035).

263893045 is a wasteful number, since it uses less digits than its factorization.

263893045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17244.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 263893045 is about 16244.7851632455. The cubic root of 263893045 is about 641.4202225211.

The spelling of 263893045 in words is "two hundred sixty-three million, eight hundred ninety-three thousand, forty-five".