608161901 has 2 divisors, whose sum is σ = 608161902. Its totient is φ = 608161900.

The previous prime is 608161891. The next prime is 608161907. The reversal of 608161901 is 109161806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592873801 + 15288100 = 24349^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 608161901 - 2¹⁰ = 608160877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608161907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304080950 + 304080951.

It is an arithmetic number, because the mean of its divisors is an integer number (304080951).

Almost surely, 2^608161901 is an apocalyptic number.

It is an amenable number.

608161901 is a deficient number, since it is larger than the sum of its proper divisors (1).

608161901 is an equidigital number, since it uses as much as digits as its factorization.

608161901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 608161901 is about 24660.9387696414. The cubic root of 608161901 is about 847.2399057997.

The spelling of 608161901 in words is "six hundred eight million, one hundred sixty-one thousand, nine hundred one".