1254345025 has 6 divisors (see below), whose sum is σ = 1555387862. Its totient is φ = 1003476000.

The previous prime is 1254345019. The next prime is 1254345041. The reversal of 1254345025 is 5205434521.

It can be written as a sum of positive squares in 3 ways, for example, as 303177744 + 951167281 = 17412^2 + 30841^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1254345025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25086876 + ... + 25086925.

Almost surely, 2^1254345025 is an apocalyptic number.

It is an amenable number.

1254345025 is a deficient number, since it is larger than the sum of its proper divisors (301042837).

1254345025 is an equidigital number, since it uses as much as digits as its factorization.

1254345025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50173811 (or 50173806 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1254345025 is about 35416.7336862111. The cubic root of 1254345025 is about 1078.4640446241.

Adding to 1254345025 its reverse (5205434521), we get a palindrome (6459779546).

The spelling of 1254345025 in words is "one billion, two hundred fifty-four million, three hundred forty-five thousand, twenty-five".