2400971 has 2 divisors, whose sum is σ = 2400972. Its totient is φ = 2400970.

The previous prime is 2400949. The next prime is 2400989. The reversal of 2400971 is 1790042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2400971 - 2⁶ = 2400907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2400271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200485 + 1200486.

It is an arithmetic number, because the mean of its divisors is an integer number (1200486).

2^2400971 is an apocalyptic number.

2400971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400971 is an equidigital number, since it uses as much as digits as its factorization.

2400971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2400971 is about 1549.5066956938. The cubic root of 2400971 is about 133.9046436762.

The spelling of 2400971 in words is "two million, four hundred thousand, nine hundred seventy-one".