42415133 has 2 divisors, whose sum is σ = 42415134. Its totient is φ = 42415132.

The previous prime is 42415129. The next prime is 42415147. The reversal of 42415133 is 33151424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 139129 = 6502^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 42415133 - 2² = 42415129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42415099 and 42415108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42415123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21207566 + 21207567.

It is an arithmetic number, because the mean of its divisors is an integer number (21207567).

Almost surely, 2^42415133 is an apocalyptic number.

It is an amenable number.

42415133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42415133 is an equidigital number, since it uses as much as digits as its factorization.

42415133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 42415133 is about 6512.6901507749. The cubic root of 42415133 is about 348.7441605202.

Adding to 42415133 its reverse (33151424), we get a palindrome (75566557).

The spelling of 42415133 in words is "forty-two million, four hundred fifteen thousand, one hundred thirty-three".