253434541 has 4 divisors (see below), whose sum is σ = 254007072. Its totient is φ = 252862012.

The previous prime is 253434491. The next prime is 253434551. The reversal of 253434541 is 145434352.

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 a cyclic number.

It is not a de Polignac number, because 253434541 - 2⁷ = 253434413 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 (253434551) 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, 285601 + ... + 286486.

It is an arithmetic number, because the mean of its divisors is an integer number (63501768).

Almost surely, 2^253434541 is an apocalyptic number.

It is an amenable number.

253434541 is a deficient number, since it is larger than the sum of its proper divisors (572531).

253434541 is an equidigital number, since it uses as much as digits as its factorization.

253434541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572530.

The product of its digits is 28800, while the sum is 31.

The square root of 253434541 is about 15919.6275396129. The cubic root of 253434541 is about 632.8322477577.

Adding to 253434541 its reverse (145434352), we get a palindrome (398868893).

The spelling of 253434541 in words is "two hundred fifty-three million, four hundred thirty-four thousand, five hundred forty-one".