253301123530421 has 8 divisors (see below), whose sum is σ = 269117689492920. Its totient is φ = 237956693865408.

The previous prime is 253301123530409. The next prime is 253301123530423. The reversal of 253301123530421 is 124035321103352.

It can be written as a sum of positive squares in 4 ways, for example, as 38877407280625 + 214423716249796 = 6235175^2 + 14643214^2 .

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-253301123530421 is a prime.

It is a super-2 number, since 2×253301123530421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253301123530423) 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, 118034073266 + ... + 118034075411.

It is an arithmetic number, because the mean of its divisors is an integer number (33639711186615).

Almost surely, 2^{253301123530421} is an apocalyptic number.

It is an amenable number.

253301123530421 is a deficient number, since it is larger than the sum of its proper divisors (15816565962499).

253301123530421 is a wasteful number, since it uses less digits than its factorization.

253301123530421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236068148743.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 253301123530421 its reverse (124035321103352), we get a palindrome (377336444633773).

The spelling of 253301123530421 in words is "two hundred fifty-three trillion, three hundred one billion, one hundred twenty-three million, five hundred thirty thousand, four hundred twenty-one".