611243612 has 24 divisors (see below), whose sum is σ = 1234361856. Its totient is φ = 259417008.

The previous prime is 611243603. The next prime is 611243627. The reversal of 611243612 is 216342116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103088 + ... + 108855.

It is an arithmetic number, because the mean of its divisors is an integer number (51431744).

Almost surely, 2^611243612 is an apocalyptic number.

It is an amenable number.

611243612 is an abundant number, since it is smaller than the sum of its proper divisors (623118244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611243612 is a wasteful number, since it uses less digits than its factorization.

611243612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212057 (or 212055 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 611243612 is about 24723.3414408328. The cubic root of 611243612 is about 848.6685554147.

Adding to 611243612 its reverse (216342116), we get a palindrome (827585728).

The spelling of 611243612 in words is "six hundred eleven million, two hundred forty-three thousand, six hundred twelve".