42954487 has 2 divisors, whose sum is σ = 42954488. Its totient is φ = 42954486.

The previous prime is 42954473. The next prime is 42954493. The reversal of 42954487 is 78445924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42954487 - 2¹¹ = 42952439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42952487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21477243 + 21477244.

It is an arithmetic number, because the mean of its divisors is an integer number (21477244).

Almost surely, 2^42954487 is an apocalyptic number.

42954487 is a deficient number, since it is larger than the sum of its proper divisors (1).

42954487 is an equidigital number, since it uses as much as digits as its factorization.

42954487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 42954487 is about 6553.9672718133. The cubic root of 42954487 is about 350.2161576315.

It can be divided in two parts, 42 and 954487, that added together give a square (954529 = 977²).

The spelling of 42954487 in words is "forty-two million, nine hundred fifty-four thousand, four hundred eighty-seven".