427695497 has 2 divisors, whose sum is σ = 427695498. Its totient is φ = 427695496.

The previous prime is 427695439. The next prime is 427695533. The reversal of 427695497 is 794596724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250778896 + 176916601 = 15836^2 + 13301^2 .

It is a cyclic number.

It is not a de Polignac number, because 427695497 - 2¹⁰ = 427694473 is a prime.

It is not a weakly prime, because it can be changed into another prime (427695797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213847748 + 213847749.

It is an arithmetic number, because the mean of its divisors is an integer number (213847749).

Almost surely, 2^427695497 is an apocalyptic number.

It is an amenable number.

427695497 is a deficient number, since it is larger than the sum of its proper divisors (1).

427695497 is an equidigital number, since it uses as much as digits as its factorization.

427695497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 427695497 is about 20680.8002021198. The cubic root of 427695497 is about 753.4334413957.

The spelling of 427695497 in words is "four hundred twenty-seven million, six hundred ninety-five thousand, four hundred ninety-seven".