2150399 has 2 divisors, whose sum is σ = 2150400. Its totient is φ = 2150398.

The previous prime is 2150383. The next prime is 2150411. The reversal of 2150399 is 9930512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2150399 - 2⁴ = 2150383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150299) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075199 + 1075200.

It is an arithmetic number, because the mean of its divisors is an integer number (1075200).

2^2150399 is an apocalyptic number.

2150399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150399 is an equidigital number, since it uses as much as digits as its factorization.

2150399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2150399 is about 1466.4238814204. The cubic root of 2150399 is about 129.0742716742.

The spelling of 2150399 in words is "two million, one hundred fifty thousand, three hundred ninety-nine".