2451289 has 2 divisors, whose sum is σ = 2451290. Its totient is φ = 2451288.

The previous prime is 2451277. The next prime is 2451299. The reversal of 2451289 is 9821542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 17689 = 1560^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451289 - 2⁵ = 2451257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2451289.

It is not a weakly prime, because it can be changed into another prime (2451259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225644 + 1225645.

It is an arithmetic number, because the mean of its divisors is an integer number (1225645).

2^2451289 is an apocalyptic number.

It is an amenable number.

2451289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451289 is an equidigital number, since it uses as much as digits as its factorization.

2451289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 2451289 is about 1565.6592860517. The cubic root of 2451289 is about 134.8336130285.

The spelling of 2451289 in words is "two million, four hundred fifty-one thousand, two hundred eighty-nine".