42251113 has 2 divisors, whose sum is σ = 42251114. Its totient is φ = 42251112.

The previous prime is 42251107. The next prime is 42251119. The reversal of 42251113 is 31115224.

It is a balanced prime because it is at equal distance from previous prime (42251107) and next prime (42251119).

It can be written as a sum of positive squares in only one way, i.e., 41306329 + 944784 = 6427^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 42251113 - 2⁹ = 42250601 is a prime.

It is not a weakly prime, because it can be changed into another prime (42251119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21125556 + 21125557.

It is an arithmetic number, because the mean of its divisors is an integer number (21125557).

Almost surely, 2^42251113 is an apocalyptic number.

It is an amenable number.

42251113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42251113 is an equidigital number, since it uses as much as digits as its factorization.

42251113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 42251113 is about 6500.0856148208. The cubic root of 42251113 is about 348.2940467331.

Adding to 42251113 its reverse (31115224), we get a palindrome (73366337).

The spelling of 42251113 in words is "forty-two million, two hundred fifty-one thousand, one hundred thirteen".