64154533 has 2 divisors, whose sum is σ = 64154534. Its totient is φ = 64154532.

The previous prime is 64154501. The next prime is 64154537. The reversal of 64154533 is 33545146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35070084 + 29084449 = 5922^2 + 5393^2 .

It is a cyclic number.

It is not a de Polignac number, because 64154533 - 2⁵ = 64154501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64154495 and 64154504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64154537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32077266 + 32077267.

It is an arithmetic number, because the mean of its divisors is an integer number (32077267).

Almost surely, 2^64154533 is an apocalyptic number.

It is an amenable number.

64154533 is a deficient number, since it is larger than the sum of its proper divisors (1).

64154533 is an equidigital number, since it uses as much as digits as its factorization.

64154533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 64154533 is about 8009.6524893406. The cubic root of 64154533 is about 400.3216849776.

Adding to 64154533 its reverse (33545146), we get a palindrome (97699679).

The spelling of 64154533 in words is "sixty-four million, one hundred fifty-four thousand, five hundred thirty-three".