253350577671 has 4 divisors (see below), whose sum is σ = 337800770232. Its totient is φ = 168900385112.

The previous prime is 253350577663. The next prime is 253350577691. The reversal of 253350577671 is 176775053352.

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 253350577671 - 2³ = 253350577663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253350577631) 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, 42225096276 + ... + 42225096281.

It is an arithmetic number, because the mean of its divisors is an integer number (84450192558).

Almost surely, 2^253350577671 is an apocalyptic number.

253350577671 is a deficient number, since it is larger than the sum of its proper divisors (84450192561).

253350577671 is an equidigital number, since it uses as much as digits as its factorization.

253350577671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84450192560.

The product of its (nonzero) digits is 4630500, while the sum is 51.

The spelling of 253350577671 in words is "two hundred fifty-three billion, three hundred fifty million, five hundred seventy-seven thousand, six hundred seventy-one".