611950973 has 2 divisors, whose sum is σ = 611950974. Its totient is φ = 611950972.

The previous prime is 611950957. The next prime is 611950991. The reversal of 611950973 is 379059116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605258404 + 6692569 = 24602^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 611950973 - 2⁴ = 611950957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611950973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611950873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305975486 + 305975487.

It is an arithmetic number, because the mean of its divisors is an integer number (305975487).

Almost surely, 2^611950973 is an apocalyptic number.

It is an amenable number.

611950973 is a deficient number, since it is larger than the sum of its proper divisors (1).

611950973 is an equidigital number, since it uses as much as digits as its factorization.

611950973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 611950973 is about 24737.6428343527. The cubic root of 611950973 is about 848.9958027968.

The spelling of 611950973 in words is "six hundred eleven million, nine hundred fifty thousand, nine hundred seventy-three".