253445431402441 has 8 divisors (see below), whose sum is σ = 254513347132968. Its totient is φ = 252377650176000.

The previous prime is 253445431402403. The next prime is 253445431402463. The reversal of 253445431402441 is 144204134544352.

It can be written as a sum of positive squares in 4 ways, for example, as 221651948480400 + 31793482922041 = 14887980^2 + 5638571^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 253445431402441 - 2¹⁷ = 253445431271369 is a prime.

It is a super-2 number, since 2×253445431402441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253445431402391 and 253445431402400.

It is not an unprimeable number, because it can be changed into a prime (253445431403441) 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, 29848600 + ... + 37387561.

It is an arithmetic number, because the mean of its divisors is an integer number (31814168391621).

Almost surely, 2^{253445431402441} is an apocalyptic number.

It is an amenable number.

253445431402441 is a deficient number, since it is larger than the sum of its proper divisors (1067915730527).

253445431402441 is a wasteful number, since it uses less digits than its factorization.

253445431402441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67252043.

The product of its (nonzero) digits is 3686400, while the sum is 46.

Adding to 253445431402441 its reverse (144204134544352), we get a palindrome (397649565946793).

The spelling of 253445431402441 in words is "two hundred fifty-three trillion, four hundred forty-five billion, four hundred thirty-one million, four hundred two thousand, four hundred forty-one".