1254405425 has 24 divisors (see below), whose sum is σ = 1914419136. Its totient is φ = 793995840.

The previous prime is 1254405409. The next prime is 1254405497. The reversal of 1254405425 is 5245044521.

It is not a de Polignac number, because 1254405425 - 2⁴ = 1254405409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1254405391 and 1254405400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273419 + ... + 277968.

It is an arithmetic number, because the mean of its divisors is an integer number (79767464).

Almost surely, 2^1254405425 is an apocalyptic number.

It is an amenable number.

1254405425 is a deficient number, since it is larger than the sum of its proper divisors (660013711).

1254405425 is a wasteful number, since it uses less digits than its factorization.

1254405425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551417 (or 551412 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1254405425 is about 35417.5863802151. The cubic root of 1254405425 is about 1078.4813546362.

Adding to 1254405425 its reverse (5245044521), we get a palindrome (6499449946).

The spelling of 1254405425 in words is "one billion, two hundred fifty-four million, four hundred five thousand, four hundred twenty-five".