253412415141521 has 8 divisors (see below), whose sum is σ = 256926031622400. Its totient is φ = 249906445270560.

The previous prime is 253412415141493. The next prime is 253412415141551. The reversal of 253412415141521 is 125141514214352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253412415141521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253412415141551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911585740 + ... + 1911718301.

It is an arithmetic number, because the mean of its divisors is an integer number (32115753952800).

Almost surely, 2^{253412415141521} is an apocalyptic number.

It is an amenable number.

253412415141521 is a deficient number, since it is larger than the sum of its proper divisors (3513616480879).

253412415141521 is an equidigital number, since it uses as much as digits as its factorization.

253412415141521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823304959.

The product of its digits is 192000, while the sum is 41.

Adding to 253412415141521 its reverse (125141514214352), we get a palindrome (378553929355873).

The spelling of 253412415141521 in words is "two hundred fifty-three trillion, four hundred twelve billion, four hundred fifteen million, one hundred forty-one thousand, five hundred twenty-one".