451012489 has 2 divisors, whose sum is σ = 451012490. Its totient is φ = 451012488.

The previous prime is 451012447. The next prime is 451012531. The reversal of 451012489 is 984210154.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (451012447) and next prime (451012531).

It can be written as a sum of positive squares in only one way, i.e., 426835600 + 24176889 = 20660^2 + 4917^2 .

It is a cyclic number.

It is not a de Polignac number, because 451012489 - 2¹³ = 451004297 is a prime.

It is not a weakly prime, because it can be changed into another prime (451012189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225506244 + 225506245.

It is an arithmetic number, because the mean of its divisors is an integer number (225506245).

Almost surely, 2^451012489 is an apocalyptic number.

It is an amenable number.

451012489 is a deficient number, since it is larger than the sum of its proper divisors (1).

451012489 is an equidigital number, since it uses as much as digits as its factorization.

451012489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 451012489 is about 21237.0546215806. The cubic root of 451012489 is about 766.8837277221.

The spelling of 451012489 in words is "four hundred fifty-one million, twelve thousand, four hundred eighty-nine".