61526412 has 96 divisors (see below), whose sum is σ = 166622400. Its totient is φ = 19616256.

The previous prime is 61526407. The next prime is 61526419. The reversal of 61526412 is 21462516.

61526412 is a `hidden beast` number, since 6 + 15 + 2 + 641 + 2 = 666.

61526412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61526419) 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 31 ways as a sum of consecutive naturals, for example, 355558 + ... + 355730.

It is an arithmetic number, because the mean of its divisors is an integer number (1735650).

Almost surely, 2^61526412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61526412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83311200).

61526412 is an abundant number, since it is smaller than the sum of its proper divisors (105095988).

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

61526412 is a wasteful number, since it uses less digits than its factorization.

61526412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 304 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 61526412 is about 7843.8773575318. The cubic root of 61526412 is about 394.7788368290.

Adding to 61526412 its reverse (21462516), we get a palindrome (82988928).

The spelling of 61526412 in words is "sixty-one million, five hundred twenty-six thousand, four hundred twelve".