611017493 has 2 divisors, whose sum is σ = 611017494. Its totient is φ = 611017492.

The previous prime is 611017483. The next prime is 611017529. The reversal of 611017493 is 394710116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494528644 + 116488849 = 22238^2 + 10793^2 .

It is a cyclic number.

It is not a de Polignac number, because 611017493 - 2²⁴ = 594240277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611017483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305508746 + 305508747.

It is an arithmetic number, because the mean of its divisors is an integer number (305508747).

Almost surely, 2^611017493 is an apocalyptic number.

It is an amenable number.

611017493 is a deficient number, since it is larger than the sum of its proper divisors (1).

611017493 is an equidigital number, since it uses as much as digits as its factorization.

611017493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 611017493 is about 24718.7680315990. The cubic root of 611017493 is about 848.5638924241.

The spelling of 611017493 in words is "six hundred eleven million, seventeen thousand, four hundred ninety-three".