602056409 has 2 divisors, whose sum is σ = 602056410. Its totient is φ = 602056408.

The previous prime is 602056387. The next prime is 602056421. The reversal of 602056409 is 904650206.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 575760025 + 26296384 = 23995^2 + 5128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-602056409 is a prime.

It is not a weakly prime, because it can be changed into another prime (602056009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301028204 + 301028205.

It is an arithmetic number, because the mean of its divisors is an integer number (301028205).

Almost surely, 2^602056409 is an apocalyptic number.

It is an amenable number.

602056409 is a deficient number, since it is larger than the sum of its proper divisors (1).

602056409 is an equidigital number, since it uses as much as digits as its factorization.

602056409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 602056409 is about 24536.8377954454. The cubic root of 602056409 is about 844.3951457325.

The spelling of 602056409 in words is "six hundred two million, fifty-six thousand, four hundred nine".