235425721 has 8 divisors (see below), whose sum is σ = 237923840. Its totient is φ = 232933968.

The previous prime is 235425703. The next prime is 235425727. The reversal of 235425721 is 127524532.

235425721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235425721 - 2⁵ = 235425689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235425727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117490 + ... + 119476.

It is an arithmetic number, because the mean of its divisors is an integer number (29740480).

Almost surely, 2^235425721 is an apocalyptic number.

It is an amenable number.

235425721 is a deficient number, since it is larger than the sum of its proper divisors (2498119).

235425721 is a wasteful number, since it uses less digits than its factorization.

235425721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its digits is 16800, while the sum is 31.

The square root of 235425721 is about 15343.5889217614. The cubic root of 235425721 is about 617.4729965736.

The spelling of 235425721 in words is "two hundred thirty-five million, four hundred twenty-five thousand, seven hundred twenty-one".