263892045 has 16 divisors (see below), whose sum is σ = 444450240. Its totient is φ = 133334784.

The previous prime is 263892023. The next prime is 263892047. The reversal of 263892045 is 540298362.

It is a happy number.

It is not a de Polignac number, because 263892045 - 2¹⁰ = 263891021 is a prime.

It is a super-2 number, since 2×263892045² = 139278022828564050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 263891994 and 263892012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263892047) 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 in 15 ways as a sum of consecutive naturals, for example, 462684 + ... + 463253.

It is an arithmetic number, because the mean of its divisors is an integer number (27778140).

Almost surely, 2^263892045 is an apocalyptic number.

It is an amenable number.

263892045 is a deficient number, since it is larger than the sum of its proper divisors (180558195).

263892045 is a wasteful number, since it uses less digits than its factorization.

263892045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925964.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 263892045 is about 16244.7543841081. The cubic root of 263892045 is about 641.4194123178.

The spelling of 263892045 in words is "two hundred sixty-three million, eight hundred ninety-two thousand, forty-five".