64036253 has 4 divisors (see below), whose sum is σ = 64230048. Its totient is φ = 63842460.

The previous prime is 64036241. The next prime is 64036261. The reversal of 64036253 is 35263046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64036253 - 2⁴ = 64036237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64036223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96401 + ... + 97062.

It is an arithmetic number, because the mean of its divisors is an integer number (16057512).

Almost surely, 2^64036253 is an apocalyptic number.

It is an amenable number.

64036253 is a deficient number, since it is larger than the sum of its proper divisors (193795).

64036253 is a wasteful number, since it uses less digits than its factorization.

64036253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193794.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 64036253 is about 8002.2654917217. The cubic root of 64036253 is about 400.0755128270.

Adding to 64036253 its reverse (35263046), we get a palindrome (99299299).

The spelling of 64036253 in words is "sixty-four million, thirty-six thousand, two hundred fifty-three".