61405352 has 8 divisors (see below), whose sum is σ = 115135050. Its totient is φ = 30702672.

The previous prime is 61405349. The next prime is 61405367. The reversal of 61405352 is 25350416.

61405352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 16434916 = 6706^2 + 4054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3837827 + ... + 3837842.

Almost surely, 2^61405352 is an apocalyptic number.

It is an amenable number.

61405352 is a deficient number, since it is larger than the sum of its proper divisors (53729698).

61405352 is a wasteful number, since it uses less digits than its factorization.

61405352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675675 (or 7675671 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 61405352 is about 7836.1567110415. The cubic root of 61405352 is about 394.5197431919.

Adding to 61405352 its reverse (25350416), we get a palindrome (86755768).

The spelling of 61405352 in words is "sixty-one million, four hundred five thousand, three hundred fifty-two".