61470449 has 2 divisors, whose sum is σ = 61470450. Its totient is φ = 61470448.

The previous prime is 61470379. The next prime is 61470457. The reversal of 61470449 is 94407416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60730849 + 739600 = 7793^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 61470449 - 2¹⁶ = 61404913 is a prime.

It is a super-2 number, since 2×61470449² = 7557232200523202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61470469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30735224 + 30735225.

It is an arithmetic number, because the mean of its divisors is an integer number (30735225).

Almost surely, 2^61470449 is an apocalyptic number.

It is an amenable number.

61470449 is a deficient number, since it is larger than the sum of its proper divisors (1).

61470449 is an equidigital number, since it uses as much as digits as its factorization.

61470449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 61470449 is about 7840.3092413501. The cubic root of 61470449 is about 394.6591066235.

The spelling of 61470449 in words is "sixty-one million, four hundred seventy thousand, four hundred forty-nine".