427503379 has 2 divisors, whose sum is σ = 427503380. Its totient is φ = 427503378.

The previous prime is 427503367. The next prime is 427503409. The reversal of 427503379 is 973305724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427503379 - 2²³ = 419114771 is a prime.

It is not a weakly prime, because it can be changed into another prime (427503359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213751689 + 213751690.

It is an arithmetic number, because the mean of its divisors is an integer number (213751690).

Almost surely, 2^427503379 is an apocalyptic number.

427503379 is a deficient number, since it is larger than the sum of its proper divisors (1).

427503379 is an equidigital number, since it uses as much as digits as its factorization.

427503379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 427503379 is about 20676.1548407822. The cubic root of 427503379 is about 753.3206120536.

The spelling of 427503379 in words is "four hundred twenty-seven million, five hundred three thousand, three hundred seventy-nine".