235374721 has 2 divisors, whose sum is σ = 235374722. Its totient is φ = 235374720.

The previous prime is 235374683. The next prime is 235374739. The reversal of 235374721 is 127473532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149719696 + 85655025 = 12236^2 + 9255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235374721 is a prime.

It is not a weakly prime, because it can be changed into another prime (235374781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117687360 + 117687361.

It is an arithmetic number, because the mean of its divisors is an integer number (117687361).

Almost surely, 2^235374721 is an apocalyptic number.

It is an amenable number.

235374721 is a deficient number, since it is larger than the sum of its proper divisors (1).

235374721 is an equidigital number, since it uses as much as digits as its factorization.

235374721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 235374721 is about 15341.9268998389. The cubic root of 235374721 is about 617.4284058680.

The spelling of 235374721 in words is "two hundred thirty-five million, three hundred seventy-four thousand, seven hundred twenty-one".