253616203 has 4 divisors (see below), whose sum is σ = 255440920. Its totient is φ = 251791488.

The previous prime is 253616197. The next prime is 253616219. The reversal of 253616203 is 302616352.

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 253616203 - 2²⁵ = 220061771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253616243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912150 + ... + 912427.

It is an arithmetic number, because the mean of its divisors is an integer number (63860230).

Almost surely, 2^253616203 is an apocalyptic number.

253616203 is a deficient number, since it is larger than the sum of its proper divisors (1824717).

253616203 is a wasteful number, since it uses less digits than its factorization.

253616203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824716.

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

The square root of 253616203 is about 15925.3321158461. The cubic root of 253616203 is about 632.9834164633.

The spelling of 253616203 in words is "two hundred fifty-three million, six hundred sixteen thousand, two hundred three".