64115403 has 8 divisors (see below), whose sum is σ = 93258816. Its totient is φ = 38857800.

The previous prime is 64115393. The next prime is 64115407. The reversal of 64115403 is 30451146.

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

It is not a de Polignac number, because 64115403 - 2⁵ = 64115371 is a prime.

It is a super-2 number, since 2×64115403² = 8221569803704818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64115407) 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, 971413 + ... + 971478.

It is an arithmetic number, because the mean of its divisors is an integer number (11657352).

Almost surely, 2^64115403 is an apocalyptic number.

64115403 is a deficient number, since it is larger than the sum of its proper divisors (29143413).

64115403 is a wasteful number, since it uses less digits than its factorization.

64115403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942905.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 64115403 is about 8007.2094389993. The cubic root of 64115403 is about 400.2402785533.

Adding to 64115403 its reverse (30451146), we get a palindrome (94566549).

The spelling of 64115403 in words is "sixty-four million, one hundred fifteen thousand, four hundred three".