42625487 has 2 divisors, whose sum is σ = 42625488. Its totient is φ = 42625486.

The previous prime is 42625459. The next prime is 42625523. The reversal of 42625487 is 78452624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42625487 - 2¹² = 42621391 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42625487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42624487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21312743 + 21312744.

It is an arithmetic number, because the mean of its divisors is an integer number (21312744).

Almost surely, 2^42625487 is an apocalyptic number.

42625487 is a deficient number, since it is larger than the sum of its proper divisors (1).

42625487 is an equidigital number, since it uses as much as digits as its factorization.

42625487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 42625487 is about 6528.8197248814. The cubic root of 42625487 is about 349.3197317324.

The spelling of 42625487 in words is "forty-two million, six hundred twenty-five thousand, four hundred eighty-seven".