935225021 has 2 divisors, whose sum is σ = 935225022. Its totient is φ = 935225020.

The previous prime is 935225003. The next prime is 935225023. The reversal of 935225021 is 120522539.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602162521 + 333062500 = 24539^2 + 18250^2 .

It is an emirp because it is prime and its reverse (120522539) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 935225021 - 2²² = 931030717 is a prime.

Together with 935225023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (935225023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467612510 + 467612511.

It is an arithmetic number, because the mean of its divisors is an integer number (467612511).

Almost surely, 2^935225021 is an apocalyptic number.

It is an amenable number.

935225021 is a deficient number, since it is larger than the sum of its proper divisors (1).

935225021 is an equidigital number, since it uses as much as digits as its factorization.

935225021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 935225021 is about 30581.4489682879. The cubic root of 935225021 is about 977.9246031373.

The spelling of 935225021 in words is "nine hundred thirty-five million, two hundred twenty-five thousand, twenty-one".