5215356465 has 32 divisors (see below), whose sum is σ = 9127296000. Its totient is φ = 2521955520.

The previous prime is 5215356439. The next prime is 5215356469. The reversal of 5215356465 is 5646535125.

It is not a de Polignac number, because 5215356465 - 2⁹ = 5215355953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215356469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20836 + ... + 104234.

It is an arithmetic number, because the mean of its divisors is an integer number (285228000).

Almost surely, 2^5215356465 is an apocalyptic number.

5215356465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5215356465 is a deficient number, since it is larger than the sum of its proper divisors (3911939535).

5215356465 is a wasteful number, since it uses less digits than its factorization.

5215356465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83797.

The product of its digits is 540000, while the sum is 42.

The square root of 5215356465 is about 72217.4249402456. The cubic root of 5215356465 is about 1734.1819667382.

The spelling of 5215356465 in words is "five billion, two hundred fifteen million, three hundred fifty-six thousand, four hundred sixty-five".