64923941 has 2 divisors, whose sum is σ = 64923942. Its totient is φ = 64923940.

The previous prime is 64923913. The next prime is 64923983. The reversal of 64923941 is 14932946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 18887716 = 6785^2 + 4346^2 .

It is a cyclic number.

It is not a de Polignac number, because 64923941 - 2⁶ = 64923877 is a prime.

It is a super-2 number, since 2×64923941² = 8430236229942962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64923895 and 64923904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64923241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32461970 + 32461971.

It is an arithmetic number, because the mean of its divisors is an integer number (32461971).

Almost surely, 2^64923941 is an apocalyptic number.

It is an amenable number.

64923941 is a deficient number, since it is larger than the sum of its proper divisors (1).

64923941 is an equidigital number, since it uses as much as digits as its factorization.

64923941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 64923941 is about 8057.5393886720. The cubic root of 64923941 is about 401.9156877876.

The spelling of 64923941 in words is "sixty-four million, nine hundred twenty-three thousand, nine hundred forty-one".