611004971 has 2 divisors, whose sum is σ = 611004972. Its totient is φ = 611004970.

The previous prime is 611004949. The next prime is 611005061. The reversal of 611004971 is 179400116.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611004971 is a prime.

It is not a weakly prime, because it can be changed into another prime (611004271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305502485 + 305502486.

It is an arithmetic number, because the mean of its divisors is an integer number (305502486).

Almost surely, 2^611004971 is an apocalyptic number.

611004971 is a deficient number, since it is larger than the sum of its proper divisors (1).

611004971 is an equidigital number, since it uses as much as digits as its factorization.

611004971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 611004971 is about 24718.5147409791. The cubic root of 611004971 is about 848.5580956508.

The spelling of 611004971 in words is "six hundred eleven million, four thousand, nine hundred seventy-one".