611275452 has 12 divisors (see below), whose sum is σ = 1426309416. Its totient is φ = 203758480.

The previous prime is 611275451. The next prime is 611275463. The reversal of 611275452 is 254572116.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611275451) 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, 25469799 + ... + 25469822.

It is an arithmetic number, because the mean of its divisors is an integer number (118859118).

Almost surely, 2^611275452 is an apocalyptic number.

It is an amenable number.

611275452 is an abundant number, since it is smaller than the sum of its proper divisors (815033964).

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

611275452 is a wasteful number, since it uses less digits than its factorization.

611275452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50939628 (or 50939626 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 611275452 is about 24723.9853583519. The cubic root of 611275452 is about 848.6832910221.

The spelling of 611275452 in words is "six hundred eleven million, two hundred seventy-five thousand, four hundred fifty-two".