253502998 has 24 divisors (see below), whose sum is σ = 437779152. Its totient is φ = 107848272.

The previous prime is 253502993. The next prime is 253503013. The reversal of 253502998 is 899205352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253502993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799536 + ... + 799852.

It is an arithmetic number, because the mean of its divisors is an integer number (18240798).

Almost surely, 2^253502998 is an apocalyptic number.

253502998 is a deficient number, since it is larger than the sum of its proper divisors (184276154).

253502998 is an equidigital number, since it uses as much as digits as its factorization.

253502998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 253502998 is about 15921.7774761488. Note that the first 3 decimals coincide. The cubic root of 253502998 is about 632.8892222292.

The spelling of 253502998 in words is "two hundred fifty-three million, five hundred two thousand, nine hundred ninety-eight".