611540601 has 8 divisors (see below), whose sum is σ = 931871424. Its totient is φ = 349451760.

The previous prime is 611540563. The next prime is 611540651. The reversal of 611540601 is 106045116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611540601 - 2¹³ = 611532409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611540651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14560470 + ... + 14560511.

It is an arithmetic number, because the mean of its divisors is an integer number (116483928).

Almost surely, 2^611540601 is an apocalyptic number.

It is an amenable number.

611540601 is a deficient number, since it is larger than the sum of its proper divisors (320330823).

611540601 is a wasteful number, since it uses less digits than its factorization.

611540601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29120991.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 611540601 is about 24729.3469586239. The cubic root of 611540601 is about 848.8059825718.

Adding to 611540601 its reverse (106045116), we get a palindrome (717585717).

The spelling of 611540601 in words is "six hundred eleven million, five hundred forty thousand, six hundred one".