611242942 has 4 divisors (see below), whose sum is σ = 916864416. Its totient is φ = 305621470.

The previous prime is 611242937. The next prime is 611242949. The reversal of 611242942 is 249242116.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611242949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152810734 + ... + 152810737.

It is an arithmetic number, because the mean of its divisors is an integer number (229216104).

Almost surely, 2^611242942 is an apocalyptic number.

611242942 is a deficient number, since it is larger than the sum of its proper divisors (305621474).

611242942 is a wasteful number, since it uses less digits than its factorization.

611242942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305621473.

The product of its digits is 6912, while the sum is 31.

The square root of 611242942 is about 24723.3278908807. The cubic root of 611242942 is about 848.6682453320.

The spelling of 611242942 in words is "six hundred eleven million, two hundred forty-two thousand, nine hundred forty-two".