61466057 has 2 divisors, whose sum is σ = 61466058. Its totient is φ = 61466056.

The previous prime is 61466039. The next prime is 61466059. The reversal of 61466057 is 75066416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32478601 + 28987456 = 5699^2 + 5384^2 .

It is a cyclic number.

It is not a de Polignac number, because 61466057 - 2¹⁴ = 61449673 is a prime.

Together with 61466059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61466059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30733028 + 30733029.

It is an arithmetic number, because the mean of its divisors is an integer number (30733029).

Almost surely, 2^61466057 is an apocalyptic number.

It is an amenable number.

61466057 is a deficient number, since it is larger than the sum of its proper divisors (1).

61466057 is an equidigital number, since it uses as much as digits as its factorization.

61466057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 61466057 is about 7840.0291453540. The cubic root of 61466057 is about 394.6497070713.

The spelling of 61466057 in words is "sixty-one million, four hundred sixty-six thousand, fifty-seven".