253340441 has 4 divisors (see below), whose sum is σ = 256810932. Its totient is φ = 249869952.

The previous prime is 253340419. The next prime is 253340453. The reversal of 253340441 is 144043352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153760000 + 99580441 = 12400^2 + 9979^2 .

It is a cyclic number.

It is not a de Polignac number, because 253340441 - 2²² = 249146137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253340441.

It is not an unprimeable number, because it can be changed into a prime (253340411) 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, 1735136 + ... + 1735281.

It is an arithmetic number, because the mean of its divisors is an integer number (64202733).

Almost surely, 2^253340441 is an apocalyptic number.

It is an amenable number.

253340441 is a deficient number, since it is larger than the sum of its proper divisors (3470491).

253340441 is an equidigital number, since it uses as much as digits as its factorization.

253340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470490.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 253340441 is about 15916.6717940655. The cubic root of 253340441 is about 632.7539147280.

Adding to 253340441 its reverse (144043352), we get a palindrome (397383793).

The spelling of 253340441 in words is "two hundred fifty-three million, three hundred forty thousand, four hundred forty-one".