263525057 has 4 divisors (see below), whose sum is σ = 265988016. Its totient is φ = 261062100.

The previous prime is 263525051. The next prime is 263525069. The reversal of 263525057 is 750525362.

263525057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 263525057 - 2⁶ = 263524993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263525051) 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, 1231319 + ... + 1231532.

It is an arithmetic number, because the mean of its divisors is an integer number (66497004).

Almost surely, 2^263525057 is an apocalyptic number.

It is an amenable number.

263525057 is a deficient number, since it is larger than the sum of its proper divisors (2462959).

263525057 is a wasteful number, since it uses less digits than its factorization.

263525057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462958.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 263525057 is about 16233.4548694971. The cubic root of 263525057 is about 641.1219391217.

The spelling of 263525057 in words is "two hundred sixty-three million, five hundred twenty-five thousand, fifty-seven".