427252417 has 2 divisors, whose sum is σ = 427252418. Its totient is φ = 427252416.

The previous prime is 427252379. The next prime is 427252433. The reversal of 427252417 is 714252724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416813056 + 10439361 = 20416^2 + 3231^2 .

It is a cyclic number.

It is not a de Polignac number, because 427252417 - 2⁷ = 427252289 is a prime.

It is not a weakly prime, because it can be changed into another prime (427252717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213626208 + 213626209.

It is an arithmetic number, because the mean of its divisors is an integer number (213626209).

Almost surely, 2^427252417 is an apocalyptic number.

It is an amenable number.

427252417 is a deficient number, since it is larger than the sum of its proper divisors (1).

427252417 is an equidigital number, since it uses as much as digits as its factorization.

427252417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 34.

The square root of 427252417 is about 20670.0850748128. The cubic root of 427252417 is about 753.1731731770.

The spelling of 427252417 in words is "four hundred twenty-seven million, two hundred fifty-two thousand, four hundred seventeen".