61431052 has 6 divisors (see below), whose sum is σ = 107504348. Its totient is φ = 30715524.

The previous prime is 61431031. The next prime is 61431053. The reversal of 61431052 is 25013416.

61431052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61431053) 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 as a sum of consecutive naturals, namely, 7678878 + ... + 7678885.

Almost surely, 2^61431052 is an apocalyptic number.

It is an amenable number.

61431052 is a deficient number, since it is larger than the sum of its proper divisors (46073296).

61431052 is a wasteful number, since it uses less digits than its factorization.

61431052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15357767 (or 15357765 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 61431052 is about 7837.7963739817. The cubic root of 61431052 is about 394.5747750031.

Adding to 61431052 its reverse (25013416), we get a palindrome (86444468).

The spelling of 61431052 in words is "sixty-one million, four hundred thirty-one thousand, fifty-two".