235204405 has 4 divisors (see below), whose sum is σ = 282245292. Its totient is φ = 188163520.

The previous prime is 235204391. The next prime is 235204429. The reversal of 235204405 is 504402532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 152794321 + 82410084 = 12361^2 + 9078^2 .

It is not a de Polignac number, because 235204405 - 2⁵ = 235204373 is a prime.

It is a super-2 number, since 2×235204405² = 110642224262808050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235204405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23520436 + ... + 23520445.

It is an arithmetic number, because the mean of its divisors is an integer number (70561323).

Almost surely, 2^235204405 is an apocalyptic number.

It is an amenable number.

235204405 is a deficient number, since it is larger than the sum of its proper divisors (47040887).

235204405 is an equidigital number, since it uses as much as digits as its factorization.

235204405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47040886.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 235204405 is about 15336.3752236309. The cubic root of 235204405 is about 617.2794472060.

Adding to 235204405 its reverse (504402532), we get a palindrome (739606937).

The spelling of 235204405 in words is "two hundred thirty-five million, two hundred four thousand, four hundred five".