420941113 has 2 divisors, whose sum is σ = 420941114. Its totient is φ = 420941112.

The previous prime is 420941089. The next prime is 420941117. The reversal of 420941113 is 311149024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411156729 + 9784384 = 20277^2 + 3128^2 .

It is a cyclic number.

It is not a de Polignac number, because 420941113 - 2¹³ = 420932921 is a prime.

It is a super-2 number, since 2×420941113² = 354382841227357538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420941117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210470556 + 210470557.

It is an arithmetic number, because the mean of its divisors is an integer number (210470557).

Almost surely, 2^420941113 is an apocalyptic number.

It is an amenable number.

420941113 is a deficient number, since it is larger than the sum of its proper divisors (1).

420941113 is an equidigital number, since it uses as much as digits as its factorization.

420941113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 420941113 is about 20516.8494901142. The cubic root of 420941113 is about 749.4461766217.

The spelling of 420941113 in words is "four hundred twenty million, nine hundred forty-one thousand, one hundred thirteen".