611674541 has 2 divisors, whose sum is σ = 611674542. Its totient is φ = 611674540.

The previous prime is 611674523. The next prime is 611674549. The reversal of 611674541 is 145476116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582015625 + 29658916 = 24125^2 + 5446^2 .

It is a cyclic number.

It is not a de Polignac number, because 611674541 - 2¹⁸ = 611412397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611674549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305837270 + 305837271.

It is an arithmetic number, because the mean of its divisors is an integer number (305837271).

Almost surely, 2^611674541 is an apocalyptic number.

It is an amenable number.

611674541 is a deficient number, since it is larger than the sum of its proper divisors (1).

611674541 is an equidigital number, since it uses as much as digits as its factorization.

611674541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 611674541 is about 24732.0549287761. The cubic root of 611674541 is about 848.8679467183.

The spelling of 611674541 in words is "six hundred eleven million, six hundred seventy-four thousand, five hundred forty-one".