263345425 has 12 divisors (see below), whose sum is σ = 373198336. Its totient is φ = 180579600.

The previous prime is 263345399. The next prime is 263345441. The reversal of 263345425 is 524543362.

263345425 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 263345425 - 2¹⁹ = 262821137 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752241 + ... + 752590.

Almost surely, 2^263345425 is an apocalyptic number.

263345425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263345425 is a deficient number, since it is larger than the sum of its proper divisors (109852911).

263345425 is a wasteful number, since it uses less digits than its factorization.

263345425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504848 (or 1504843 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The square root of 263345425 is about 16227.9211546026. The cubic root of 263345425 is about 640.9762323022.

Adding to 263345425 its reverse (524543362), we get a palindrome (787888787).

The spelling of 263345425 in words is "two hundred sixty-three million, three hundred forty-five thousand, four hundred twenty-five".