61058773 has 2 divisors, whose sum is σ = 61058774. Its totient is φ = 61058772.

The previous prime is 61058749. The next prime is 61058783. The reversal of 61058773 is 37785016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 22829284 = 6183^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 61058773 - 2⁵ = 61058741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61058783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30529386 + 30529387.

It is an arithmetic number, because the mean of its divisors is an integer number (30529387).

Almost surely, 2^61058773 is an apocalyptic number.

It is an amenable number.

61058773 is a deficient number, since it is larger than the sum of its proper divisors (1).

61058773 is an equidigital number, since it uses as much as digits as its factorization.

61058773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 61058773 is about 7814.0113258172. The cubic root of 61058773 is about 393.7761038208.

It can be divided in two parts, 6105 and 8773, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 61058773 in words is "sixty-one million, fifty-eight thousand, seven hundred seventy-three".