420130349 has 2 divisors, whose sum is σ = 420130350. Its totient is φ = 420130348.

The previous prime is 420130303. The next prime is 420130357. The reversal of 420130349 is 943031024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361684324 + 58446025 = 19018^2 + 7645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420130349 is a prime.

It is a super-3 number, since 3×420130349³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420130369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210065174 + 210065175.

It is an arithmetic number, because the mean of its divisors is an integer number (210065175).

Almost surely, 2^420130349 is an apocalyptic number.

It is an amenable number.

420130349 is a deficient number, since it is larger than the sum of its proper divisors (1).

420130349 is an equidigital number, since it uses as much as digits as its factorization.

420130349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 420130349 is about 20497.0814751759. The cubic root of 420130349 is about 748.9647042820.

The spelling of 420130349 in words is "four hundred twenty million, one hundred thirty thousand, three hundred forty-nine".