61954441 has 2 divisors, whose sum is σ = 61954442. Its totient is φ = 61954440.

The previous prime is 61954393. The next prime is 61954457. The reversal of 61954441 is 14445916.

It is a happy number.

61954441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 7268416 = 7395^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 61954441 - 2⁷ = 61954313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61954397 and 61954406.

It is not a weakly prime, because it can be changed into another prime (61954481) 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, 30977220 + 30977221.

It is an arithmetic number, because the mean of its divisors is an integer number (30977221).

Almost surely, 2^61954441 is an apocalyptic number.

It is an amenable number.

61954441 is a deficient number, since it is larger than the sum of its proper divisors (1).

61954441 is an equidigital number, since it uses as much as digits as its factorization.

61954441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 61954441 is about 7871.1143429631. The cubic root of 61954441 is about 395.6921922750.

The spelling of 61954441 in words is "sixty-one million, nine hundred fifty-four thousand, four hundred forty-one".