2452561 has 2 divisors, whose sum is σ = 2452562. Its totient is φ = 2452560.

The previous prime is 2452543. The next prime is 2452589. The reversal of 2452561 is 1652542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 65536 = 1545^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 2452561 - 2⁵ = 2452529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2452531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226280 + 1226281.

It is an arithmetic number, because the mean of its divisors is an integer number (1226281).

2^2452561 is an apocalyptic number.

It is an amenable number.

2452561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2452561 is an equidigital number, since it uses as much as digits as its factorization.

2452561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 2452561 is about 1566.0654520166. The cubic root of 2452561 is about 134.8569311955.

The spelling of 2452561 in words is "two million, four hundred fifty-two thousand, five hundred sixty-one".