451279 has 2 divisors, whose sum is σ = 451280. Its totient is φ = 451278.

The previous prime is 451277. The next prime is 451301. The reversal of 451279 is 972154.

451279 = T₅₄₇ + T₅₄₈ + T₅₄₉.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451279 - 2¹ = 451277 is a prime.

Together with 451277, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225639 + 225640.

It is an arithmetic number, because the mean of its divisors is an integer number (225640).

2⁴⁵¹²⁷⁹ is an apocalyptic number.

451279 is the 549-th centered triangular number.

451279 is a deficient number, since it is larger than the sum of its proper divisors (1).

451279 is an equidigital number, since it uses as much as digits as its factorization.

451279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 451279 is about 671.7730271453. The cubic root of 451279 is about 76.7034752886.

The spelling of 451279 in words is "four hundred fifty-one thousand, two hundred seventy-nine".