1250003413 has 4 divisors (see below), whose sum is σ = 1250627008. Its totient is φ = 1249379820.

The previous prime is 1250003347. The next prime is 1250003423. The reversal of 1250003413 is 3143000521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3143000521 = 311 ⋅10106111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250003413 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 (1250003423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 308781 + ... + 312802.

It is an arithmetic number, because the mean of its divisors is an integer number (312656752).

Almost surely, 2^1250003413 is an apocalyptic number.

It is an amenable number.

1250003413 is a deficient number, since it is larger than the sum of its proper divisors (623595).

1250003413 is an equidigital number, since it uses as much as digits as its factorization.

1250003413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623594.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1250003413 is about 35355.3873264033. The cubic root of 1250003413 is about 1077.2183254265.

Adding to 1250003413 its reverse (3143000521), we get a palindrome (4393003934).

The spelling of 1250003413 in words is "one billion, two hundred fifty million, three thousand, four hundred thirteen".