64245002 has 4 divisors (see below), whose sum is σ = 96367506. Its totient is φ = 32122500.

The previous prime is 64244993. The next prime is 64245007. The reversal of 64245002 is 20054246.

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., 34093921 + 30151081 = 5839^2 + 5491^2 .

It is not an unprimeable number, because it can be changed into a prime (64245007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061249 + ... + 16061252.

Almost surely, 2^64245002 is an apocalyptic number.

64245002 is a deficient number, since it is larger than the sum of its proper divisors (32122504).

64245002 is a wasteful number, since it uses less digits than its factorization.

64245002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32122503.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 64245002 is about 8015.2979982032. The cubic root of 64245002 is about 400.5097708914.

Adding to 64245002 its reverse (20054246), we get a palindrome (84299248).

The spelling of 64245002 in words is "sixty-four million, two hundred forty-five thousand, two".