253341520 has 20 divisors (see below), whose sum is σ = 589019220. Its totient is φ = 101336576.

The previous prime is 253341499. The next prime is 253341521. The reversal of 253341520 is 25143352.

It can be written as a sum of positive squares in 2 ways, for example, as 169728784 + 83612736 = 13028^2 + 9144^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253341521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583305 + ... + 1583464.

It is an arithmetic number, because the mean of its divisors is an integer number (29450961).

Almost surely, 2^253341520 is an apocalyptic number.

253341520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253341520 is an abundant number, since it is smaller than the sum of its proper divisors (335677700).

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

253341520 is a wasteful number, since it uses less digits than its factorization.

253341520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166782 (or 3166776 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 253341520 is about 15916.7056893064. The cubic root of 253341520 is about 632.7548130456.

Adding to 253341520 its reverse (25143352), we get a palindrome (278484872).

The spelling of 253341520 in words is "two hundred fifty-three million, three hundred forty-one thousand, five hundred twenty".