64461603 has 8 divisors (see below), whose sum is σ = 91004688. Its totient is φ = 40446464.

The previous prime is 64461589. The next prime is 64461611. The reversal of 64461603 is 30616446.

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

It is a cyclic number.

It is not a de Polignac number, because 64461603 - 2⁴ = 64461587 is a prime.

It is a super-2 number, since 2×64461603² = 8310596522659218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64461643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631926 + ... + 632027.

It is an arithmetic number, because the mean of its divisors is an integer number (11375586).

Almost surely, 2^64461603 is an apocalyptic number.

64461603 is a deficient number, since it is larger than the sum of its proper divisors (26543085).

64461603 is a wasteful number, since it uses less digits than its factorization.

64461603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263973.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64461603 is about 8028.7983534275. The cubic root of 64461603 is about 400.9593700996.

The spelling of 64461603 in words is "sixty-four million, four hundred sixty-one thousand, six hundred three".