945513 has 14 divisors (see below), whose sum is σ = 1418714. Its totient is φ = 629856.

The previous prime is 945481. The next prime is 945521. The reversal of 945513 is 315549.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 729 = 972^2 + 27^2 .

It is not a de Polignac number, because 945513 - 2⁵ = 945481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (941513) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 81 + ... + 1377.

2⁹⁴⁵⁵¹³ is an apocalyptic number.

It is an amenable number.

945513 is a deficient number, since it is larger than the sum of its proper divisors (473201).

945513 is an equidigital number, since it uses as much as digits as its factorization.

945513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1300 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 945513 is about 972.3749276899. The cubic root of 945513 is about 98.1497433105.

The spelling of 945513 in words is "nine hundred forty-five thousand, five hundred thirteen".