253354161 has 4 divisors (see below), whose sum is σ = 337805552. Its totient is φ = 168902772.

The previous prime is 253354159. The next prime is 253354169. The reversal of 253354161 is 161453352.

253354161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 253354161 - 2¹ = 253354159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253354169) 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, 42225691 + ... + 42225696.

It is an arithmetic number, because the mean of its divisors is an integer number (84451388).

Almost surely, 2^253354161 is an apocalyptic number.

It is an amenable number.

253354161 is a deficient number, since it is larger than the sum of its proper divisors (84451391).

253354161 is an equidigital number, since it uses as much as digits as its factorization.

253354161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84451390.

The product of its digits is 10800, while the sum is 30.

The square root of 253354161 is about 15917.1027828559. The cubic root of 253354161 is about 632.7653370746.

The spelling of 253354161 in words is "two hundred fifty-three million, three hundred fifty-four thousand, one hundred sixty-one".