940513 has 4 divisors (see below), whose sum is σ = 1074880. Its totient is φ = 806148.

The previous prime is 940501. The next prime is 940523. The reversal of 940513 is 315049.

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: 315049 = 7 ⋅45007.

It is not a de Polignac number, because 940513 - 2⁹ = 940001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67173 + ... + 67186.

It is an arithmetic number, because the mean of its divisors is an integer number (268720).

2⁹⁴⁰⁵¹³ is an apocalyptic number.

It is an amenable number.

940513 is a deficient number, since it is larger than the sum of its proper divisors (134367).

940513 is a wasteful number, since it uses less digits than its factorization.

940513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134366.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 940513 is about 969.8004949473. The cubic root of 940513 is about 97.9764277611.

It can be divided in two parts, 9405 and 13, that multiplied together give a triangular number (122265 = T₄₉₄).

The spelling of 940513 in words is "nine hundred forty thousand, five hundred thirteen".