263632413 has 32 divisors (see below), whose sum is σ = 407227392. Its totient is φ = 149932800.

The previous prime is 263632387. The next prime is 263632427. The reversal of 263632413 is 314236362.

It is not a de Polignac number, because 263632413 - 2⁵ = 263632381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263632013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319920 + ... + 320742.

It is an arithmetic number, because the mean of its divisors is an integer number (12725856).

Almost surely, 2^263632413 is an apocalyptic number.

It is an amenable number.

263632413 is a deficient number, since it is larger than the sum of its proper divisors (143594979).

263632413 is a wasteful number, since it uses less digits than its factorization.

263632413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425.

The product of its digits is 15552, while the sum is 30.

The square root of 263632413 is about 16236.7611610198. The cubic root of 263632413 is about 641.2089883297.

Adding to 263632413 its reverse (314236362), we get a palindrome (577868775).

The spelling of 263632413 in words is "two hundred sixty-three million, six hundred thirty-two thousand, four hundred thirteen".