611541412 has 6 divisors (see below), whose sum is σ = 1070197478. Its totient is φ = 305770704.

The previous prime is 611541407. The next prime is 611541419. The reversal of 611541412 is 214145116.

It can be written as a sum of positive squares in only one way, i.e., 577248676 + 34292736 = 24026^2 + 5856^2 .

It is not an unprimeable number, because it can be changed into a prime (611541419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76442673 + ... + 76442680.

Almost surely, 2^611541412 is an apocalyptic number.

It is an amenable number.

611541412 is a deficient number, since it is larger than the sum of its proper divisors (458656066).

611541412 is a wasteful number, since it uses less digits than its factorization.

611541412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152885357 (or 152885355 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 611541412 is about 24729.3633561400. The cubic root of 611541412 is about 848.8063577888.

Adding to 611541412 its reverse (214145116), we get a palindrome (825686528).

The spelling of 611541412 in words is "six hundred eleven million, five hundred forty-one thousand, four hundred twelve".