1250025404 has 6 divisors (see below), whose sum is σ = 2187544464. Its totient is φ = 625012700.

The previous prime is 1250025397. The next prime is 1250025443. The reversal of 1250025404 is 4045200521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1250025404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156253172 + ... + 156253179.

It is an arithmetic number, because the mean of its divisors is an integer number (364590744).

Almost surely, 2^1250025404 is an apocalyptic number.

It is an amenable number.

1250025404 is a deficient number, since it is larger than the sum of its proper divisors (937519060).

1250025404 is a wasteful number, since it uses less digits than its factorization.

1250025404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312506355 (or 312506353 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1250025404 is about 35355.6983243154. The cubic root of 1250025404 is about 1077.2246424677.

Adding to 1250025404 its reverse (4045200521), we get a palindrome (5295225925).

The spelling of 1250025404 in words is "one billion, two hundred fifty million, twenty-five thousand, four hundred four".