3145513 has 8 divisors (see below), whose sum is σ = 3646080. Its totient is φ = 2657760.

The previous prime is 3145511. The next prime is 3145529. The reversal of 3145513 is 3155413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3145513 - 2¹ = 3145511 is a prime.

It is a Duffinian number.

3145513 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3145511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (455760).

Almost surely, 2^3145513 is an apocalyptic number.

It is an amenable number.

3145513 is a deficient number, since it is larger than the sum of its proper divisors (500567).

3145513 is an equidigital number, since it uses as much as digits as its factorization.

3145513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407.

The product of its digits is 900, while the sum is 22.

The square root of 3145513 is about 1773.5594154130. The cubic root of 3145513 is about 146.5200848419.

Adding to 3145513 its product of digits (900), we get a palindrome (3146413).

The spelling of 3145513 in words is "three million, one hundred forty-five thousand, five hundred thirteen".