601671491 has 2 divisors, whose sum is σ = 601671492. Its totient is φ = 601671490.

The previous prime is 601671431. The next prime is 601671509. The reversal of 601671491 is 194176106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 601671491 - 2¹⁰ = 601670467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (601671431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300835745 + 300835746.

It is an arithmetic number, because the mean of its divisors is an integer number (300835746).

Almost surely, 2^601671491 is an apocalyptic number.

601671491 is a deficient number, since it is larger than the sum of its proper divisors (1).

601671491 is an equidigital number, since it uses as much as digits as its factorization.

601671491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 601671491 is about 24528.9928655866. The cubic root of 601671491 is about 844.2151558528.

The spelling of 601671491 in words is "six hundred one million, six hundred seventy-one thousand, four hundred ninety-one".