64546253 has 2 divisors, whose sum is σ = 64546254. Its totient is φ = 64546252.

The previous prime is 64546231. The next prime is 64546277. The reversal of 64546253 is 35264546.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38464804 + 26081449 = 6202^2 + 5107^2 .

It is a cyclic number.

It is not a de Polignac number, because 64546253 - 2¹⁴ = 64529869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64546213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32273126 + 32273127.

It is an arithmetic number, because the mean of its divisors is an integer number (32273127).

Almost surely, 2^64546253 is an apocalyptic number.

It is an amenable number.

64546253 is a deficient number, since it is larger than the sum of its proper divisors (1).

64546253 is an equidigital number, since it uses as much as digits as its factorization.

64546253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

The square root of 64546253 is about 8034.0682720525. The cubic root of 64546253 is about 401.1348045852.

The spelling of 64546253 in words is "sixty-four million, five hundred forty-six thousand, two hundred fifty-three".