64498547 has 2 divisors, whose sum is σ = 64498548. Its totient is φ = 64498546.

The previous prime is 64498541. The next prime is 64498549. The reversal of 64498547 is 74589446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64498547 - 2⁴ = 64498531 is a prime.

It is a super-2 number, since 2×64498547² = 8320125130222418, which contains 22 as substring.

Together with 64498549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64498541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32249273 + 32249274.

It is an arithmetic number, because the mean of its divisors is an integer number (32249274).

Almost surely, 2^64498547 is an apocalyptic number.

64498547 is a deficient number, since it is larger than the sum of its proper divisors (1).

64498547 is an equidigital number, since it uses as much as digits as its factorization.

64498547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 64498547 is about 8031.0987417663. The cubic root of 64498547 is about 401.0359542640.

The spelling of 64498547 in words is "sixty-four million, four hundred ninety-eight thousand, five hundred forty-seven".