61512852 has 24 divisors (see below), whose sum is σ = 143803296. Its totient is φ = 20465248.

The previous prime is 61512839. The next prime is 61512853. The reversal of 61512852 is 25821516.

61512852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61512852² = 7567661922347808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61512853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (5991804).

Almost surely, 2^61512852 is an apocalyptic number.

It is an amenable number.

61512852 is an abundant number, since it is smaller than the sum of its proper divisors (82290444).

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

61512852 is a wasteful number, since it uses less digits than its factorization.

61512852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767 (or 9765 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 61512852 is about 7843.0129414658. The cubic root of 61512852 is about 394.7498325138.

The spelling of 61512852 in words is "sixty-one million, five hundred twelve thousand, eight hundred fifty-two".