427542371 has 2 divisors, whose sum is σ = 427542372. Its totient is φ = 427542370.

The previous prime is 427542319. The next prime is 427542397. The reversal of 427542371 is 173245724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427542371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427547371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213771185 + 213771186.

It is an arithmetic number, because the mean of its divisors is an integer number (213771186).

Almost surely, 2^427542371 is an apocalyptic number.

427542371 is a deficient number, since it is larger than the sum of its proper divisors (1).

427542371 is an equidigital number, since it uses as much as digits as its factorization.

427542371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 35.

The square root of 427542371 is about 20677.0977412208. The cubic root of 427542371 is about 753.3435144724.

The spelling of 427542371 in words is "four hundred twenty-seven million, five hundred forty-two thousand, three hundred seventy-one".