2027451 has 4 divisors (see below), whose sum is σ = 2703272. Its totient is φ = 1351632.

The previous prime is 2027449. The next prime is 2027461. The reversal of 2027451 is 1547202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2027451 - 2¹ = 2027449 is a prime.

It is a super-2 number, since 2×2027451² = 8221115114802, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2027401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337906 + ... + 337911.

It is an arithmetic number, because the mean of its divisors is an integer number (675818).

2^2027451 is an apocalyptic number.

2027451 is a deficient number, since it is larger than the sum of its proper divisors (675821).

2027451 is an equidigital number, since it uses as much as digits as its factorization.

2027451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675820.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2027451 is about 1423.8858802587. The cubic root of 2027451 is about 126.5659225107.

Subtracting from 2027451 its reverse (1547202), we obtain a square (480249 = 693²).

The spelling of 2027451 in words is "two million, twenty-seven thousand, four hundred fifty-one".