235006621 has 2 divisors, whose sum is σ = 235006622. Its totient is φ = 235006620.

The previous prime is 235006609. The next prime is 235006631. The reversal of 235006621 is 126600532.

235006621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227104900 + 7901721 = 15070^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 235006621 - 2²⁷ = 100788893 is a prime.

It is a super-2 number, since 2×235006621² = 110456223827675282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235006601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117503310 + 117503311.

It is an arithmetic number, because the mean of its divisors is an integer number (117503311).

Almost surely, 2^235006621 is an apocalyptic number.

It is an amenable number.

235006621 is a deficient number, since it is larger than the sum of its proper divisors (1).

235006621 is an equidigital number, since it uses as much as digits as its factorization.

235006621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 235006621 is about 15329.9256684434. The cubic root of 235006621 is about 617.1063747168.

The spelling of 235006621 in words is "two hundred thirty-five million, six thousand, six hundred twenty-one".