611052553 has 2 divisors, whose sum is σ = 611052554. Its totient is φ = 611052552.

The previous prime is 611052517. The next prime is 611052571. The reversal of 611052553 is 355250116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588887289 + 22165264 = 24267^2 + 4708^2 .

It is a cyclic number.

It is not a de Polignac number, because 611052553 - 2⁹ = 611052041 is a prime.

It is not a weakly prime, because it can be changed into another prime (611052503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305526276 + 305526277.

It is an arithmetic number, because the mean of its divisors is an integer number (305526277).

Almost surely, 2^611052553 is an apocalyptic number.

It is an amenable number.

611052553 is a deficient number, since it is larger than the sum of its proper divisors (1).

611052553 is an equidigital number, since it uses as much as digits as its factorization.

611052553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 611052553 is about 24719.4771991642. The cubic root of 611052553 is about 848.5801222273.

The spelling of 611052553 in words is "six hundred eleven million, fifty-two thousand, five hundred fifty-three".