64802253 has 8 divisors (see below), whose sum is σ = 86711616. Its totient is φ = 43047200.

The previous prime is 64802251. The next prime is 64802261. The reversal of 64802253 is 35220846.

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 64802253 - 2¹ = 64802251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64802253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64802251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37593 + ... + 39278.

It is an arithmetic number, because the mean of its divisors is an integer number (10838952).

Almost surely, 2^64802253 is an apocalyptic number.

It is an amenable number.

64802253 is a deficient number, since it is larger than the sum of its proper divisors (21909363).

64802253 is a wasteful number, since it uses less digits than its factorization.

64802253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77155.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 64802253 is about 8049.9846583705. The cubic root of 64802253 is about 401.6644250337.

The spelling of 64802253 in words is "sixty-four million, eight hundred two thousand, two hundred fifty-three".