61292057 has 2 divisors, whose sum is σ = 61292058. Its totient is φ = 61292056.

The previous prime is 61292047. The next prime is 61292083. The reversal of 61292057 is 75029216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32444416 + 28847641 = 5696^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 61292057 - 2¹⁴ = 61275673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61292027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30646028 + 30646029.

It is an arithmetic number, because the mean of its divisors is an integer number (30646029).

Almost surely, 2^61292057 is an apocalyptic number.

It is an amenable number.

61292057 is a deficient number, since it is larger than the sum of its proper divisors (1).

61292057 is an equidigital number, since it uses as much as digits as its factorization.

61292057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 61292057 is about 7828.9243833364. The cubic root of 61292057 is about 394.2769596217.

The spelling of 61292057 in words is "sixty-one million, two hundred ninety-two thousand, fifty-seven".