263914545 has 16 divisors (see below), whose sum is σ = 447102720. Its totient is φ = 132474624.

The previous prime is 263914523. The next prime is 263914559. The reversal of 263914545 is 545419362.

263914545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 263914545 - 2⁶ = 263914481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517225 + ... + 517734.

It is an arithmetic number, because the mean of its divisors is an integer number (27943920).

Almost surely, 2^263914545 is an apocalyptic number.

It is an amenable number.

263914545 is a deficient number, since it is larger than the sum of its proper divisors (183188175).

263914545 is a wasteful number, since it uses less digits than its factorization.

263914545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034984.

The product of its digits is 129600, while the sum is 39.

The square root of 263914545 is about 16245.4469005934. The cubic root of 263914545 is about 641.4376413966.

The spelling of 263914545 in words is "two hundred sixty-three million, nine hundred fourteen thousand, five hundred forty-five".