5571487 has 2 divisors, whose sum is σ = 5571488. Its totient is φ = 5571486.

The previous prime is 5571481. The next prime is 5571491. The reversal of 5571487 is 7841755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5571487 - 2³ = 5571479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5571481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785743 + 2785744.

It is an arithmetic number, because the mean of its divisors is an integer number (2785744).

Almost surely, 2^5571487 is an apocalyptic number.

5571487 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571487 is an equidigital number, since it uses as much as digits as its factorization.

5571487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 37.

The square root of 5571487 is about 2360.3997542789. The cubic root of 5571487 is about 177.2788968187.

The spelling of 5571487 in words is "five million, five hundred seventy-one thousand, four hundred eighty-seven".