611590801 has 2 divisors, whose sum is σ = 611590802. Its totient is φ = 611590800.

The previous prime is 611590789. The next prime is 611590813. The reversal of 611590801 is 108095116.

It is a balanced prime because it is at equal distance from previous prime (611590789) and next prime (611590813).

It can be written as a sum of positive squares in only one way, i.e., 398401600 + 213189201 = 19960^2 + 14601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611590801 is a prime.

It is not a weakly prime, because it can be changed into another prime (611590201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305795400 + 305795401.

It is an arithmetic number, because the mean of its divisors is an integer number (305795401).

Almost surely, 2^611590801 is an apocalyptic number.

It is an amenable number.

611590801 is a deficient number, since it is larger than the sum of its proper divisors (1).

611590801 is an equidigital number, since it uses as much as digits as its factorization.

611590801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 611590801 is about 24730.3619261830. The cubic root of 611590801 is about 848.8292074645.

The spelling of 611590801 in words is "six hundred eleven million, five hundred ninety thousand, eight hundred one".