2150801 has 2 divisors, whose sum is σ = 2150802. Its totient is φ = 2150800.

The previous prime is 2150791. The next prime is 2150809. The reversal of 2150801 is 1080512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1957201 + 193600 = 1399^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150801 - 2¹⁴ = 2134417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150801.

It is not a weakly prime, because it can be changed into another prime (2150809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075400 + 1075401.

It is an arithmetic number, because the mean of its divisors is an integer number (1075401).

2^2150801 is an apocalyptic number.

It is an amenable number.

2150801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150801 is an equidigital number, since it uses as much as digits as its factorization.

2150801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2150801 is about 1466.5609431592. The cubic root of 2150801 is about 129.0823143094.

The spelling of 2150801 in words is "two million, one hundred fifty thousand, eight hundred one".