4152989 has 2 divisors, whose sum is σ = 4152990. Its totient is φ = 4152988.

The previous prime is 4152971. The next prime is 4152997. The reversal of 4152989 is 9892514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 319225 = 1958^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 4152989 - 2¹⁶ = 4087453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4152919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076494 + 2076495.

It is an arithmetic number, because the mean of its divisors is an integer number (2076495).

Almost surely, 2^4152989 is an apocalyptic number.

It is an amenable number.

4152989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4152989 is an equidigital number, since it uses as much as digits as its factorization.

4152989 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 4152989 is about 2037.8883678946. Note that the first 3 decimals coincide. The cubic root of 4152989 is about 160.7386291920.

The spelling of 4152989 in words is "four million, one hundred fifty-two thousand, nine hundred eighty-nine".