254787451 has 2 divisors, whose sum is σ = 254787452. Its totient is φ = 254787450.

The previous prime is 254787443. The next prime is 254787457. The reversal of 254787451 is 154787452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254787451 - 2³ = 254787443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254787398 and 254787407.

It is not a weakly prime, because it can be changed into another prime (254787457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127393725 + 127393726.

It is an arithmetic number, because the mean of its divisors is an integer number (127393726).

Almost surely, 2^254787451 is an apocalyptic number.

254787451 is a deficient number, since it is larger than the sum of its proper divisors (1).

254787451 is an equidigital number, since it uses as much as digits as its factorization.

254787451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313600, while the sum is 43.

The square root of 254787451 is about 15962.0628679378. The cubic root of 254787451 is about 633.9563330094.

Subtracting from 254787451 its reverse (154787452), we obtain a palindrome (99999999).

It can be divided in two parts, 2547 and 87451, that added together give a palindrome (89998).

The spelling of 254787451 in words is "two hundred fifty-four million, seven hundred eighty-seven thousand, four hundred fifty-one".