61345412 has 6 divisors (see below), whose sum is σ = 107354478. Its totient is φ = 30672704.

The previous prime is 61345397. The next prime is 61345423. The reversal of 61345412 is 21454316.

It can be written as a sum of positive squares in only one way, i.e., 32787076 + 28558336 = 5726^2 + 5344^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7668173 + ... + 7668180.

It is an arithmetic number, because the mean of its divisors is an integer number (17892413).

Almost surely, 2^61345412 is an apocalyptic number.

It is an amenable number.

61345412 is a deficient number, since it is larger than the sum of its proper divisors (46009066).

61345412 is a wasteful number, since it uses less digits than its factorization.

61345412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336357 (or 15336355 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 61345412 is about 7832.3311983087. The cubic root of 61345412 is about 394.3913330386.

Adding to 61345412 its reverse (21454316), we get a palindrome (82799728).

The spelling of 61345412 in words is "sixty-one million, three hundred forty-five thousand, four hundred twelve".