1254452005 has 4 divisors (see below), whose sum is σ = 1505342412. Its totient is φ = 1003561600.

The previous prime is 1254451999. The next prime is 1254452027. The reversal of 1254452005 is 5002544521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 604864836 + 649587169 = 24594^2 + 25487^2 .

It is not a de Polignac number, because 1254452005 - 2⁹ = 1254451493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125445196 + ... + 125445205.

It is an arithmetic number, because the mean of its divisors is an integer number (376335603).

Almost surely, 2^1254452005 is an apocalyptic number.

It is an amenable number.

1254452005 is a deficient number, since it is larger than the sum of its proper divisors (250890407).

1254452005 is an equidigital number, since it uses as much as digits as its factorization.

1254452005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250890406.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1254452005 is about 35418.2439570343. The cubic root of 1254452005 is about 1078.4947036005.

Adding to 1254452005 its reverse (5002544521), we get a palindrome (6256996526).

The spelling of 1254452005 in words is "one billion, two hundred fifty-four million, four hundred fifty-two thousand, five".