8513965 has 16 divisors (see below), whose sum is σ = 10730880. Its totient is φ = 6475840.

The previous prime is 8513951. The next prime is 8513969. The reversal of 8513965 is 5693158.

8513965 = 5² + 6² + ... + 294².

8513965 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-8513965 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9882 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (670680).

Almost surely, 2^8513965 is an apocalyptic number.

It is an amenable number.

8513965 is a deficient number, since it is larger than the sum of its proper divisors (2216915).

8513965 is a wasteful number, since it uses less digits than its factorization.

8513965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its digits is 32400, while the sum is 37.

The square root of 8513965 is about 2917.8699422695. The cubic root of 8513965 is about 204.1944592643.

The spelling of 8513965 in words is "eight million, five hundred thirteen thousand, nine hundred sixty-five".