2547451 has 2 divisors, whose sum is σ = 2547452. Its totient is φ = 2547450.

The previous prime is 2547431. The next prime is 2547469. The reversal of 2547451 is 1547452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2547451 - 2⁷ = 2547323 is a prime.

2547451 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2547431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273725 + 1273726.

It is an arithmetic number, because the mean of its divisors is an integer number (1273726).

2^2547451 is an apocalyptic number.

2547451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547451 is an equidigital number, since it uses as much as digits as its factorization.

2547451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 28.

The square root of 2547451 is about 1596.0736198559. The cubic root of 2547451 is about 136.5741835801.

Subtracting from 2547451 its reverse (1547452), we obtain a palindrome (999999).

The spelling of 2547451 in words is "two million, five hundred forty-seven thousand, four hundred fifty-one".