5142989 has 2 divisors, whose sum is σ = 5142990. Its totient is φ = 5142988.

The previous prime is 5142967. The next prime is 5143013. The reversal of 5142989 is 9892415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 1646089 = 1870^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142989 - 2⁸ = 5142733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571494 + 2571495.

It is an arithmetic number, because the mean of its divisors is an integer number (2571495).

Almost surely, 2^5142989 is an apocalyptic number.

It is an amenable number.

5142989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142989 is an equidigital number, since it uses as much as digits as its factorization.

5142989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 5142989 is about 2267.8159096364. The cubic root of 5142989 is about 172.6123499705.

The spelling of 5142989 in words is "five million, one hundred forty-two thousand, nine hundred eighty-nine".