263134425 has 24 divisors (see below), whose sum is σ = 437027584. Its totient is φ = 139700160.

The previous prime is 263134423. The next prime is 263134427. The reversal of 263134425 is 524431362.

It is an interprime number because it is at equal distance from previous prime (263134423) and next prime (263134427).

It is not a de Polignac number, because 263134425 - 2¹ = 263134423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263134392 and 263134401.

It is not an unprimeable number, because it can be changed into a prime (263134423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8859 + ... + 24591.

Almost surely, 2^263134425 is an apocalyptic number.

263134425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263134425 is a deficient number, since it is larger than the sum of its proper divisors (173893159).

263134425 is a wasteful number, since it uses less digits than its factorization.

263134425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969 (or 15964 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 263134425 is about 16221.4187110746. The cubic root of 263134425 is about 640.8049969724.

Adding to 263134425 its reverse (524431362), we get a palindrome (787565787).

The spelling of 263134425 in words is "two hundred sixty-three million, one hundred thirty-four thousand, four hundred twenty-five".