253198208 has 16 divisors (see below), whose sum is σ = 504418560. Its totient is φ = 126599040.

The previous prime is 253198207. The next prime is 253198229. The reversal of 253198208 is 802891352.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×253198208² = 128218665068822528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253198207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988928 + ... + 989183.

It is an arithmetic number, because the mean of its divisors is an integer number (31526160).

Almost surely, 2^253198208 is an apocalyptic number.

It is an amenable number.

253198208 is a deficient number, since it is larger than the sum of its proper divisors (251220352).

253198208 is an equidigital number, since it uses as much as digits as its factorization.

253198208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978125 (or 1978113 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 253198208 is about 15912.2031158479. The cubic root of 253198208 is about 632.6354768201.

The spelling of 253198208 in words is "two hundred fifty-three million, one hundred ninety-eight thousand, two hundred eight".