253425220 has 24 divisors (see below), whose sum is σ = 537171264. Its totient is φ = 100421856.

The previous prime is 253425209. The next prime is 253425233. The reversal of 253425220 is 22524352.

It is a happy number.

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, 57072 + ... + 61351.

It is an arithmetic number, because the mean of its divisors is an integer number (22382136).

Almost surely, 2^253425220 is an apocalyptic number.

253425220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253425220 is an abundant number, since it is smaller than the sum of its proper divisors (283746044).

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

253425220 is a wasteful number, since it uses less digits than its factorization.

253425220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118539 (or 118537 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 253425220 is about 15919.3347850970. The cubic root of 253425220 is about 632.8244894076.

Adding to 253425220 its reverse (22524352), we get a palindrome (275949572).

The spelling of 253425220 in words is "two hundred fifty-three million, four hundred twenty-five thousand, two hundred twenty".