263031625 has 16 divisors (see below), whose sum is σ = 330789888. Its totient is φ = 208806000.

The previous prime is 263031607. The next prime is 263031647. The reversal of 263031625 is 526130362.

It is a de Polignac number, because none of the positive numbers 2^k-263031625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263031593 and 263031602.

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, 8344 + ... + 24406.

It is an arithmetic number, because the mean of its divisors is an integer number (20674368).

Almost surely, 2^263031625 is an apocalyptic number.

263031625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263031625 is a deficient number, since it is larger than the sum of its proper divisors (67758263).

263031625 is a wasteful number, since it uses less digits than its factorization.

263031625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209 (or 16199 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 263031625 is about 16218.2497514374. The cubic root of 263031625 is about 640.7215373059.

Adding to 263031625 its reverse (526130362), we get a palindrome (789161987).

The spelling of 263031625 in words is "two hundred sixty-three million, thirty-one thousand, six hundred twenty-five".