611427007 has 4 divisors (see below), whose sum is σ = 612886680. Its totient is φ = 609967336.

The previous prime is 611427001. The next prime is 611427029. The reversal of 611427007 is 700724116.

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 611427007 - 2³ = 611426999 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 (611427001) 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, 729208 + ... + 730045.

It is an arithmetic number, because the mean of its divisors is an integer number (153221670).

Almost surely, 2^611427007 is an apocalyptic number.

611427007 is a deficient number, since it is larger than the sum of its proper divisors (1459673).

611427007 is a wasteful number, since it uses less digits than its factorization.

611427007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459672.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 611427007 is about 24727.0501071195. The cubic root of 611427007 is about 848.7534239261.

The spelling of 611427007 in words is "six hundred eleven million, four hundred twenty-seven thousand, seven".