61448573 has 4 divisors (see below), whose sum is σ = 61705920. Its totient is φ = 61191228.

The previous prime is 61448567. The next prime is 61448579. The reversal of 61448573 is 37584416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (61448567) and next prime (61448579).

It is a cyclic number.

It is not a de Polignac number, because 61448573 - 2⁶ = 61448509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61448579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128315 + ... + 128792.

It is an arithmetic number, because the mean of its divisors is an integer number (15426480).

Almost surely, 2^61448573 is an apocalyptic number.

It is an amenable number.

61448573 is a deficient number, since it is larger than the sum of its proper divisors (257347).

61448573 is a wasteful number, since it uses less digits than its factorization.

61448573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257346.

The product of its digits is 80640, while the sum is 38.

The square root of 61448573 is about 7838.9140191738. The cubic root of 61448573 is about 394.6122841957.

The spelling of 61448573 in words is "sixty-one million, four hundred forty-eight thousand, five hundred seventy-three".