610433491 has 2 divisors, whose sum is σ = 610433492. Its totient is φ = 610433490.

The previous prime is 610433419. The next prime is 610433561. The reversal of 610433491 is 194334016.

610433491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (610433419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 610433491 - 2¹⁵ = 610400723 is a prime.

It is not a weakly prime, because it can be changed into another prime (610433401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305216745 + 305216746.

It is an arithmetic number, because the mean of its divisors is an integer number (305216746).

Almost surely, 2^610433491 is an apocalyptic number.

610433491 is a deficient number, since it is larger than the sum of its proper divisors (1).

610433491 is an equidigital number, since it uses as much as digits as its factorization.

610433491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 610433491 is about 24706.9522806841. The cubic root of 610433491 is about 848.2934577344.

The spelling of 610433491 in words is "six hundred ten million, four hundred thirty-three thousand, four hundred ninety-one".