235421053 has 4 divisors (see below), whose sum is σ = 269052640. Its totient is φ = 201789468.

The previous prime is 235421051. The next prime is 235421059. The reversal of 235421053 is 350124532.

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 235421053 - 2¹ = 235421051 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 (235421051) 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, 16815783 + ... + 16815796.

It is an arithmetic number, because the mean of its divisors is an integer number (67263160).

Almost surely, 2^235421053 is an apocalyptic number.

It is an amenable number.

235421053 is a deficient number, since it is larger than the sum of its proper divisors (33631587).

235421053 is an equidigital number, since it uses as much as digits as its factorization.

235421053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33631586.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 235421053 is about 15343.4368053575. The cubic root of 235421053 is about 617.4689154803.

Adding to 235421053 its reverse (350124532), we get a palindrome (585545585).

The spelling of 235421053 in words is "two hundred thirty-five million, four hundred twenty-one thousand, fifty-three".