611142652 has 24 divisors (see below), whose sum is σ = 1088649072. Its totient is φ = 300115200.

The previous prime is 611142643. The next prime is 611142661. The reversal of 611142652 is 256241116.

It is an interprime number because it is at equal distance from previous prime (611142643) and next prime (611142661).

It is a self number, because there is not a number n which added to its sum of digits gives 611142652.

It is a congruent number.

It is an unprimeable number.

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, 213543 + ... + 216385.

It is an arithmetic number, because the mean of its divisors is an integer number (45360378).

Almost surely, 2^611142652 is an apocalyptic number.

It is an amenable number.

611142652 is a deficient number, since it is larger than the sum of its proper divisors (477506420).

611142652 is a wasteful number, since it uses less digits than its factorization.

611142652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3787 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 611142652 is about 24721.2995613095. The cubic root of 611142652 is about 848.6218275670.

Adding to 611142652 its reverse (256241116), we get a palindrome (867383768).

The spelling of 611142652 in words is "six hundred eleven million, one hundred forty-two thousand, six hundred fifty-two".