253325420 has 24 divisors (see below), whose sum is σ = 533448384. Its totient is φ = 101051136.

The previous prime is 253325407. The next prime is 253325447. The reversal of 253325420 is 24523352.

253325420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253325420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9917 + ... + 24596.

It is an arithmetic number, because the mean of its divisors is an integer number (22227016).

Almost surely, 2^253325420 is an apocalyptic number.

253325420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253325420 is an abundant number, since it is smaller than the sum of its proper divisors (280122964).

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

253325420 is a wasteful number, since it uses less digits than its factorization.

253325420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34889 (or 34887 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 253325420 is about 15916.1999233485. The cubic root of 253325420 is about 632.7414087836.

Adding to 253325420 its reverse (24523352), we get a palindrome (277848772).

The spelling of 253325420 in words is "two hundred fifty-three million, three hundred twenty-five thousand, four hundred twenty".