2401571 has 2 divisors, whose sum is σ = 2401572. Its totient is φ = 2401570.

The previous prime is 2401561. The next prime is 2401579. The reversal of 2401571 is 1751042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2401571 - 2¹⁸ = 2139427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2401579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200785 + 1200786.

It is an arithmetic number, because the mean of its divisors is an integer number (1200786).

2^2401571 is an apocalyptic number.

2401571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401571 is an equidigital number, since it uses as much as digits as its factorization.

2401571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2401571 is about 1549.7002936052. The cubic root of 2401571 is about 133.9157969547.

The spelling of 2401571 in words is "two million, four hundred one thousand, five hundred seventy-one".