64057061 has 4 divisors (see below), whose sum is σ = 64120224. Its totient is φ = 63993900.

The previous prime is 64057051. The next prime is 64057073. The reversal of 64057061 is 16075046.

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 a cyclic number.

It is not a de Polignac number, because 64057061 - 2⁶ = 64056997 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 (64057031) 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, 30035 + ... + 32096.

It is an arithmetic number, because the mean of its divisors is an integer number (16030056).

Almost surely, 2^64057061 is an apocalyptic number.

It is an amenable number.

64057061 is a deficient number, since it is larger than the sum of its proper divisors (63163).

64057061 is a wasteful number, since it uses less digits than its factorization.

64057061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63162.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 64057061 is about 8003.5655179426. The cubic root of 64057061 is about 400.1188417714.

The spelling of 64057061 in words is "sixty-four million, fifty-seven thousand, sixty-one".