1250553413 has 4 divisors (see below), whose sum is σ = 1251100140. Its totient is φ = 1250006688.

The previous prime is 1250553407. The next prime is 1250553431. The reversal of 1250553413 is 3143550521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3143550521 = 593 ⋅5301097.

It can be written as a sum of positive squares in 2 ways, for example, as 577825444 + 672727969 = 24038^2 + 25937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250553413 - 2⁴ = 1250553397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250553313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269918 + ... + 274511.

It is an arithmetic number, because the mean of its divisors is an integer number (312775035).

Almost surely, 2^1250553413 is an apocalyptic number.

It is an amenable number.

1250553413 is a deficient number, since it is larger than the sum of its proper divisors (546727).

1250553413 is an equidigital number, since it uses as much as digits as its factorization.

1250553413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546726.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1250553413 is about 35363.1646349701. The cubic root of 1250553413 is about 1077.3762938498.

The spelling of 1250553413 in words is "one billion, two hundred fifty million, five hundred fifty-three thousand, four hundred thirteen".