427916353 has 2 divisors, whose sum is σ = 427916354. Its totient is φ = 427916352.

The previous prime is 427916351. The next prime is 427916371. The reversal of 427916353 is 353619724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349203969 + 78712384 = 18687^2 + 8872^2 .

It is a cyclic number.

It is not a de Polignac number, because 427916353 - 2¹ = 427916351 is a prime.

It is a super-2 number, since 2×427916353² = 366224810329641218, which contains 22 as substring.

Together with 427916351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (427916351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213958176 + 213958177.

It is an arithmetic number, because the mean of its divisors is an integer number (213958177).

Almost surely, 2^427916353 is an apocalyptic number.

It is an amenable number.

427916353 is a deficient number, since it is larger than the sum of its proper divisors (1).

427916353 is an equidigital number, since it uses as much as digits as its factorization.

427916353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 427916353 is about 20686.1391516155. The cubic root of 427916353 is about 753.5631065923.

The spelling of 427916353 in words is "four hundred twenty-seven million, nine hundred sixteen thousand, three hundred fifty-three".