64313602 has 4 divisors (see below), whose sum is σ = 96470406. Its totient is φ = 32156800.

The previous prime is 64313569. The next prime is 64313609. The reversal of 64313602 is 20631346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49575681 + 14737921 = 7041^2 + 3839^2 .

It is not an unprimeable number, because it can be changed into a prime (64313609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16078399 + ... + 16078402.

Almost surely, 2^64313602 is an apocalyptic number.

64313602 is a deficient number, since it is larger than the sum of its proper divisors (32156804).

64313602 is a wasteful number, since it uses less digits than its factorization.

64313602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32156803.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 64313602 is about 8019.5761733398. The cubic root of 64313602 is about 400.6522732708.

Adding to 64313602 its reverse (20631346), we get a palindrome (84944948).

The spelling of 64313602 in words is "sixty-four million, three hundred thirteen thousand, six hundred two".