427258837 has 2 divisors, whose sum is σ = 427258838. Its totient is φ = 427258836.

The previous prime is 427258817. The next prime is 427258847. The reversal of 427258837 is 738852724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324216036 + 103042801 = 18006^2 + 10151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427258837 is a prime.

It is a super-2 number, since 2×427258837² = 365100227589185138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427258817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213629418 + 213629419.

It is an arithmetic number, because the mean of its divisors is an integer number (213629419).

Almost surely, 2^427258837 is an apocalyptic number.

It is an amenable number.

427258837 is a deficient number, since it is larger than the sum of its proper divisors (1).

427258837 is an equidigital number, since it uses as much as digits as its factorization.

427258837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 46.

The square root of 427258837 is about 20670.2403711229. The cubic root of 427258837 is about 753.1769456133.

It can be divided in two parts, 4 and 27258837, that added together give a square (27258841 = 5221²).

The spelling of 427258837 in words is "four hundred twenty-seven million, two hundred fifty-eight thousand, eight hundred thirty-seven".