61589449 has 2 divisors, whose sum is σ = 61589450. Its totient is φ = 61589448.

The previous prime is 61589401. The next prime is 61589483. The reversal of 61589449 is 94498516.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 2913849 = 7660^2 + 1707^2 .

It is a cyclic number.

It is not a de Polignac number, because 61589449 - 2¹¹ = 61587401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61589399 and 61589408.

It is not a weakly prime, because it can be changed into another prime (61589149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30794724 + 30794725.

It is an arithmetic number, because the mean of its divisors is an integer number (30794725).

Almost surely, 2^61589449 is an apocalyptic number.

It is an amenable number.

61589449 is a deficient number, since it is larger than the sum of its proper divisors (1).

61589449 is an equidigital number, since it uses as much as digits as its factorization.

61589449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 61589449 is about 7847.8945584150. The cubic root of 61589449 is about 394.9136146080.

The spelling of 61589449 in words is "sixty-one million, five hundred eighty-nine thousand, four hundred forty-nine".