611274823 has 2 divisors, whose sum is σ = 611274824. Its totient is φ = 611274822.

The previous prime is 611274791. The next prime is 611274827. The reversal of 611274823 is 328472116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611274823 - 2⁵ = 611274791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611274827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305637411 + 305637412.

It is an arithmetic number, because the mean of its divisors is an integer number (305637412).

Almost surely, 2^611274823 is an apocalyptic number.

611274823 is a deficient number, since it is larger than the sum of its proper divisors (1).

611274823 is an equidigital number, since it uses as much as digits as its factorization.

611274823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 611274823 is about 24723.9726379075. The cubic root of 611274823 is about 848.6829999247.

The spelling of 611274823 in words is "six hundred eleven million, two hundred seventy-four thousand, eight hundred twenty-three".