253194127453 has 4 divisors (see below), whose sum is σ = 253206147708. Its totient is φ = 253182107200.

The previous prime is 253194127447. The next prime is 253194127457. The reversal of 253194127453 is 354721491352.

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 93343692484 + 159850434969 = 305522^2 + 399813^2 .

It is a cyclic number.

It is not a de Polignac number, because 253194127453 - 2²⁹ = 252657256541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253194127457) 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, 5978476 + ... + 6020677.

It is an arithmetic number, because the mean of its divisors is an integer number (63301536927).

Almost surely, 2^253194127453 is an apocalyptic number.

It is an amenable number.

253194127453 is a deficient number, since it is larger than the sum of its proper divisors (12020255).

253194127453 is a wasteful number, since it uses less digits than its factorization.

253194127453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020254.

The product of its digits is 907200, while the sum is 46.

The spelling of 253194127453 in words is "two hundred fifty-three billion, one hundred ninety-four million, one hundred twenty-seven thousand, four hundred fifty-three".