253203049 has 16 divisors (see below), whose sum is σ = 299280960. Its totient is φ = 211599360.

The previous prime is 253203047. The next prime is 253203157. The reversal of 253203049 is 940302352.

It is a cyclic number.

It is not a de Polignac number, because 253203049 - 2¹ = 253203047 is a prime.

It is a super-2 number, since 2×253203049² = 128223568045792802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253203047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7704 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (18705060).

Almost surely, 2^253203049 is an apocalyptic number.

It is an amenable number.

253203049 is a deficient number, since it is larger than the sum of its proper divisors (46077911).

253203049 is a wasteful number, since it uses less digits than its factorization.

253203049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31560.

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

The square root of 253203049 is about 15912.3552310775. The cubic root of 253203049 is about 632.6395086665.

It can be divided in two parts, 253 and 203049, that added together give a palindrome (203302).

The spelling of 253203049 in words is "two hundred fifty-three million, two hundred three thousand, forty-nine".