61264573 has 2 divisors, whose sum is σ = 61264574. Its totient is φ = 61264572.

The previous prime is 61264561. The next prime is 61264657. The reversal of 61264573 is 37546216.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58568409 + 2696164 = 7653^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 61264573 - 2²¹ = 59167421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61264513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30632286 + 30632287.

It is an arithmetic number, because the mean of its divisors is an integer number (30632287).

Almost surely, 2^61264573 is an apocalyptic number.

It is an amenable number.

61264573 is a deficient number, since it is larger than the sum of its proper divisors (1).

61264573 is an equidigital number, since it uses as much as digits as its factorization.

61264573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 61264573 is about 7827.1689006946. The cubic root of 61264573 is about 394.2180181721.

The spelling of 61264573 in words is "sixty-one million, two hundred sixty-four thousand, five hundred seventy-three".