1254661451 has 2 divisors, whose sum is σ = 1254661452. Its totient is φ = 1254661450.

The previous prime is 1254661427. The next prime is 1254661469. The reversal of 1254661451 is 1541664521.

It is a strong prime.

It is an emirp because it is prime and its reverse (1541664521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254661451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254661151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627330725 + 627330726.

It is an arithmetic number, because the mean of its divisors is an integer number (627330726).

Almost surely, 2^1254661451 is an apocalyptic number.

1254661451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254661451 is an equidigital number, since it uses as much as digits as its factorization.

1254661451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 1254661451 is about 35421.2005866543. The cubic root of 1254661451 is about 1078.5547228574.

The spelling of 1254661451 in words is "one billion, two hundred fifty-four million, six hundred sixty-one thousand, four hundred fifty-one".