61273033 has 2 divisors, whose sum is σ = 61273034. Its totient is φ = 61273032.

The previous prime is 61273021. The next prime is 61273063. The reversal of 61273033 is 33037216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 6335289 = 7412^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 61273033 - 2¹⁷ = 61141961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61272989 and 61273007.

It is not a weakly prime, because it can be changed into another prime (61273063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30636516 + 30636517.

It is an arithmetic number, because the mean of its divisors is an integer number (30636517).

Almost surely, 2^61273033 is an apocalyptic number.

It is an amenable number.

61273033 is a deficient number, since it is larger than the sum of its proper divisors (1).

61273033 is an equidigital number, since it uses as much as digits as its factorization.

61273033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 61273033 is about 7827.7093073261. The cubic root of 61273033 is about 394.2361631389.

The spelling of 61273033 in words is "sixty-one million, two hundred seventy-three thousand, thirty-three".