64250002 has 4 divisors (see below), whose sum is σ = 96375006. Its totient is φ = 32125000.

The previous prime is 64249981. The next prime is 64250009. The reversal of 64250002 is 20005246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20005246 = 2 ⋅10002623.

It can be written as a sum of positive squares in only one way, i.e., 35509681 + 28740321 = 5959^2 + 5361^2 .

It is not an unprimeable number, because it can be changed into a prime (64250009) 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 as a sum of consecutive naturals, namely, 16062499 + ... + 16062502.

Almost surely, 2^64250002 is an apocalyptic number.

64250002 is a deficient number, since it is larger than the sum of its proper divisors (32125004).

64250002 is a wasteful number, since it uses less digits than its factorization.

64250002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32125003.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 64250002 is about 8015.6098956973. The cubic root of 64250002 is about 400.5201607887.

Adding to 64250002 its reverse (20005246), we get a palindrome (84255248).

The spelling of 64250002 in words is "sixty-four million, two hundred fifty thousand, two".