64225461 has 8 divisors (see below), whose sum is σ = 85688704. Its totient is φ = 42789600.

The previous prime is 64225457. The next prime is 64225477. The reversal of 64225461 is 16452246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64225461 - 2² = 64225457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64225411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (10711088).

Almost surely, 2^64225461 is an apocalyptic number.

It is an amenable number.

64225461 is a deficient number, since it is larger than the sum of its proper divisors (21463243).

64225461 is a wasteful number, since it uses less digits than its factorization.

64225461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691.

The product of its digits is 11520, while the sum is 30.

The square root of 64225461 is about 8014.0789239937. The cubic root of 64225461 is about 400.4691599239.

The spelling of 64225461 in words is "sixty-four million, two hundred twenty-five thousand, four hundred sixty-one".