601655497 has 2 divisors, whose sum is σ = 601655498. Its totient is φ = 601655496.

The previous prime is 601655477. The next prime is 601655503. The reversal of 601655497 is 794556106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426463801 + 175191696 = 20651^2 + 13236^2 .

It is a cyclic number.

It is not a de Polignac number, because 601655497 - 2²⁷ = 467437769 is a prime.

It is not a weakly prime, because it can be changed into another prime (601655407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300827748 + 300827749.

It is an arithmetic number, because the mean of its divisors is an integer number (300827749).

Almost surely, 2^601655497 is an apocalyptic number.

It is an amenable number.

601655497 is a deficient number, since it is larger than the sum of its proper divisors (1).

601655497 is an equidigital number, since it uses as much as digits as its factorization.

601655497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 601655497 is about 24528.6668410658. Note that the first 3 decimals coincide. The cubic root of 601655497 is about 844.2076753051.

The spelling of 601655497 in words is "six hundred one million, six hundred fifty-five thousand, four hundred ninety-seven".