1250513 has 4 divisors (see below), whose sum is σ = 1364208. Its totient is φ = 1136820.

The previous prime is 1250507. The next prime is 1250519. The reversal of 1250513 is 3150521.

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: 3150521 = 11 ⋅286411.

It is an interprime number because it is at equal distance from previous prime (1250507) and next prime (1250519).

It is a cyclic number.

It is not a de Polignac number, because 1250513 - 2⁴ = 1250497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1250491 and 1250500.

It is not an unprimeable number, because it can be changed into a prime (1250519) 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, 56831 + ... + 56852.

It is an arithmetic number, because the mean of its divisors is an integer number (341052).

2^1250513 is an apocalyptic number.

It is an amenable number.

1250513 is a deficient number, since it is larger than the sum of its proper divisors (113695).

1250513 is a wasteful number, since it uses less digits than its factorization.

1250513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113694.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1250513 is about 1118.2633857907. The cubic root of 1250513 is about 107.7364688194.

The spelling of 1250513 in words is "one million, two hundred fifty thousand, five hundred thirteen".