611953 has 2 divisors, whose sum is σ = 611954. Its totient is φ = 611952.

The previous prime is 611951. The next prime is 611957. The reversal of 611953 is 359116.

611953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567009 + 44944 = 753^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 611953 - 2¹ = 611951 is a prime.

Together with 611951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (611951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305976 + 305977.

It is an arithmetic number, because the mean of its divisors is an integer number (305977).

2⁶¹¹⁹⁵³ is an apocalyptic number.

It is an amenable number.

611953 is a deficient number, since it is larger than the sum of its proper divisors (1).

611953 is an equidigital number, since it uses as much as digits as its factorization.

611953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 25.

The square root of 611953 is about 782.2742485855. The cubic root of 611953 is about 84.8996740188.

The spelling of 611953 in words is "six hundred eleven thousand, nine hundred fifty-three".