253272637547 has 4 divisors (see below), whose sum is σ = 253285176816. Its totient is φ = 253260098280.

The previous prime is 253272637517. The next prime is 253272637567. The reversal of 253272637547 is 745736272352.

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

It is a cyclic number.

It is not a de Polignac number, because 253272637547 - 2³⁰ = 252198895723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253272637517) 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, 6239288 + ... + 6279749.

It is an arithmetic number, because the mean of its divisors is an integer number (63321294204).

Almost surely, 2^253272637547 is an apocalyptic number.

253272637547 is a deficient number, since it is larger than the sum of its proper divisors (12539269).

253272637547 is a wasteful number, since it uses less digits than its factorization.

253272637547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12539268.

The product of its digits is 14817600, while the sum is 53.

The spelling of 253272637547 in words is "two hundred fifty-three billion, two hundred seventy-two million, six hundred thirty-seven thousand, five hundred forty-seven".