611432567 has 4 divisors (see below), whose sum is σ = 612283680. Its totient is φ = 610581456.

The previous prime is 611432551. The next prime is 611432573. The reversal of 611432567 is 765234116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 611432567 - 2⁴ = 611432551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611432527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424478 + ... + 425915.

It is an arithmetic number, because the mean of its divisors is an integer number (153070920).

Almost surely, 2^611432567 is an apocalyptic number.

611432567 is a deficient number, since it is larger than the sum of its proper divisors (851113).

611432567 is an equidigital number, since it uses as much as digits as its factorization.

611432567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851112.

The product of its digits is 30240, while the sum is 35.

The square root of 611432567 is about 24727.1625343467. The cubic root of 611432567 is about 848.7559966260.

The spelling of 611432567 in words is "six hundred eleven million, four hundred thirty-two thousand, five hundred sixty-seven".