64460471 has 2 divisors, whose sum is σ = 64460472. Its totient is φ = 64460470.

The previous prime is 64460449. The next prime is 64460479. The reversal of 64460471 is 17406446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64460471 is a prime.

It is a super-3 number, since 3×64460471³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64460479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32230235 + 32230236.

It is an arithmetic number, because the mean of its divisors is an integer number (32230236).

Almost surely, 2^64460471 is an apocalyptic number.

64460471 is a deficient number, since it is larger than the sum of its proper divisors (1).

64460471 is an equidigital number, since it uses as much as digits as its factorization.

64460471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 64460471 is about 8028.7278568899. The cubic root of 64460471 is about 400.9570230246.

The spelling of 64460471 in words is "sixty-four million, four hundred sixty thousand, four hundred seventy-one".