253650263 has 4 divisors (see below), whose sum is σ = 257949480. Its totient is φ = 249351048.

The previous prime is 253650239. The next prime is 253650283. The reversal of 253650263 is 362056352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253650263 - 2¹⁰ = 253649239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253650223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149520 + ... + 2149637.

It is an arithmetic number, because the mean of its divisors is an integer number (64487370).

Almost surely, 2^253650263 is an apocalyptic number.

253650263 is a deficient number, since it is larger than the sum of its proper divisors (4299217).

253650263 is an equidigital number, since it uses as much as digits as its factorization.

253650263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299216.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 253650263 is about 15926.4014453988. The cubic root of 253650263 is about 633.0117512067.

The spelling of 253650263 in words is "two hundred fifty-three million, six hundred fifty thousand, two hundred sixty-three".