42895451 has 2 divisors, whose sum is σ = 42895452. Its totient is φ = 42895450.

The previous prime is 42895441. The next prime is 42895459. The reversal of 42895451 is 15459824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42895451 - 2⁶ = 42895387 is a prime.

It is not a weakly prime, because it can be changed into another prime (42895459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21447725 + 21447726.

It is an arithmetic number, because the mean of its divisors is an integer number (21447726).

Almost surely, 2^42895451 is an apocalyptic number.

42895451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42895451 is an equidigital number, since it uses as much as digits as its factorization.

42895451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 42895451 is about 6549.4618862926. The cubic root of 42895451 is about 350.0556401339.

The spelling of 42895451 in words is "forty-two million, eight hundred ninety-five thousand, four hundred fifty-one".