253028004 has 24 divisors (see below), whose sum is σ = 590849280. Its totient is φ = 84278304.

The previous prime is 253028003. The next prime is 253028021. The reversal of 253028004 is 400820352.

253028004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253028003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9942 + ... + 24594.

It is an arithmetic number, because the mean of its divisors is an integer number (24618720).

Almost surely, 2^253028004 is an apocalyptic number.

It is an amenable number.

253028004 is an abundant number, since it is smaller than the sum of its proper divisors (337821276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253028004 is a wasteful number, since it uses less digits than its factorization.

253028004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16099 (or 16097 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 253028004 is about 15906.8539944264. The cubic root of 253028004 is about 632.4936890537.

Adding to 253028004 its reverse (400820352), we get a palindrome (653848356).

The spelling of 253028004 in words is "two hundred fifty-three million, twenty-eight thousand, four".