252441451 has 2 divisors, whose sum is σ = 252441452. Its totient is φ = 252441450.

The previous prime is 252441439. The next prime is 252441487. The reversal of 252441451 is 154144252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252441451 - 2¹⁹ = 251917163 is a prime.

It is not a weakly prime, because it can be changed into another prime (252441421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126220725 + 126220726.

It is an arithmetic number, because the mean of its divisors is an integer number (126220726).

Almost surely, 2^252441451 is an apocalyptic number.

252441451 is a deficient number, since it is larger than the sum of its proper divisors (1).

252441451 is an equidigital number, since it uses as much as digits as its factorization.

252441451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 28.

The square root of 252441451 is about 15888.4061818673. The cubic root of 252441451 is about 632.0045757226.

The spelling of 252441451 in words is "two hundred fifty-two million, four hundred forty-one thousand, four hundred fifty-one".