2451601 has 2 divisors, whose sum is σ = 2451602. Its totient is φ = 2451600.

The previous prime is 2451577. The next prime is 2451619. The reversal of 2451601 is 1061542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2250000 + 201601 = 1500^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451601 - 2¹³ = 2443409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2451641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225800 + 1225801.

It is an arithmetic number, because the mean of its divisors is an integer number (1225801).

2^2451601 is an apocalyptic number.

It is an amenable number.

2451601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451601 is an equidigital number, since it uses as much as digits as its factorization.

2451601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2451601 is about 1565.7589214180. The cubic root of 2451601 is about 134.8393333254.

The spelling of 2451601 in words is "two million, four hundred fifty-one thousand, six hundred one".