64551029 has 2 divisors, whose sum is σ = 64551030. Its totient is φ = 64551028.

The previous prime is 64551017. The next prime is 64551031. The reversal of 64551029 is 92015546.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 5414929 = 7690^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 64551029 - 2¹⁶ = 64485493 is a prime.

Together with 64551031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64550986 and 64551004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64551059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32275514 + 32275515.

It is an arithmetic number, because the mean of its divisors is an integer number (32275515).

Almost surely, 2^64551029 is an apocalyptic number.

It is an amenable number.

64551029 is a deficient number, since it is larger than the sum of its proper divisors (1).

64551029 is an equidigital number, since it uses as much as digits as its factorization.

64551029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 64551029 is about 8034.3655007723. The cubic root of 64551029 is about 401.1446981240.

The spelling of 64551029 in words is "sixty-four million, five hundred fifty-one thousand, twenty-nine".