253549380 has 48 divisors (see below), whose sum is σ = 811359360. Its totient is φ = 57954048.

The previous prime is 253549337. The next prime is 253549381. The reversal of 253549380 is 83945352.

It is not an unprimeable number, because it can be changed into a prime (253549381) 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, 301425 + ... + 302264.

It is an arithmetic number, because the mean of its divisors is an integer number (16903320).

Almost surely, 2^253549380 is an apocalyptic number.

253549380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253549380 is an abundant number, since it is smaller than the sum of its proper divisors (557809980).

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

253549380 is a wasteful number, since it uses less digits than its factorization.

253549380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603708 (or 603706 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 253549380 is about 15923.2339680104. The cubic root of 253549380 is about 632.9278185877.

It can be divided in two parts, 2535 and 49380, that added together give a palindrome (51915).

The spelling of 253549380 in words is "two hundred fifty-three million, five hundred forty-nine thousand, three hundred eighty".