61582441 has 2 divisors, whose sum is σ = 61582442. Its totient is φ = 61582440.

The previous prime is 61582429. The next prime is 61582511. The reversal of 61582441 is 14428516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61544025 + 38416 = 7845^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61582441 is a prime.

It is not a weakly prime, because it can be changed into another prime (61582141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30791220 + 30791221.

It is an arithmetic number, because the mean of its divisors is an integer number (30791221).

Almost surely, 2^61582441 is an apocalyptic number.

It is an amenable number.

61582441 is a deficient number, since it is larger than the sum of its proper divisors (1).

61582441 is an equidigital number, since it uses as much as digits as its factorization.

61582441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 61582441 is about 7847.4480565340. The cubic root of 61582441 is about 394.8986355295.

The spelling of 61582441 in words is "sixty-one million, five hundred eighty-two thousand, four hundred forty-one".