253109229 has 4 divisors (see below), whose sum is σ = 337478976. Its totient is φ = 168739484.

The previous prime is 253109201. The next prime is 253109231. The reversal of 253109229 is 922901352.

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 253109229 - 2⁹ = 253108717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253109229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253109029) 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, 42184869 + ... + 42184874.

It is an arithmetic number, because the mean of its divisors is an integer number (84369744).

Almost surely, 2^253109229 is an apocalyptic number.

It is an amenable number.

253109229 is a deficient number, since it is larger than the sum of its proper divisors (84369747).

253109229 is an equidigital number, since it uses as much as digits as its factorization.

253109229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84369746.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 253109229 is about 15909.4069342638. The cubic root of 253109229 is about 632.5613611464.

The spelling of 253109229 in words is "two hundred fifty-three million, one hundred nine thousand, two hundred twenty-nine".