253797603 has 8 divisors (see below), whose sum is σ = 345596928. Its totient is φ = 165598344.

The previous prime is 253797601. The next prime is 253797613. The reversal of 253797603 is 306797352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253797603 - 2¹ = 253797601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253797601) 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 7 ways as a sum of consecutive naturals, for example, 899851 + ... + 900132.

It is an arithmetic number, because the mean of its divisors is an integer number (43199616).

Almost surely, 2^253797603 is an apocalyptic number.

253797603 is a deficient number, since it is larger than the sum of its proper divisors (91799325).

253797603 is a wasteful number, since it uses less digits than its factorization.

253797603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800033.

The product of its (nonzero) digits is 238140, while the sum is 42.

The square root of 253797603 is about 15931.0264264422. The cubic root of 253797603 is about 633.1342951339.

The spelling of 253797603 in words is "two hundred fifty-three million, seven hundred ninety-seven thousand, six hundred three".