253278003 has 16 divisors (see below), whose sum is σ = 372056832. Its totient is φ = 151980000.

The previous prime is 253277993. The next prime is 253278007. The reversal of 253278003 is 300872352.

It is not a de Polignac number, because 253278003 - 2⁹ = 253277491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253278007) 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, 34663 + ... + 41328.

It is an arithmetic number, because the mean of its divisors is an integer number (23253552).

Almost surely, 2^253278003 is an apocalyptic number.

253278003 is a deficient number, since it is larger than the sum of its proper divisors (118778829).

253278003 is a wasteful number, since it uses less digits than its factorization.

253278003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76106.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 253278003 is about 15914.7102706898. The cubic root of 253278003 is about 632.7019278510.

The spelling of 253278003 in words is "two hundred fifty-three million, two hundred seventy-eight thousand, three".