52345215 has 36 divisors (see below), whose sum is σ = 98262216. Its totient is φ = 25766208.

The previous prime is 52345211. The next prime is 52345219. The reversal of 52345215 is 51254325.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52345211) and next prime (52345219).

It is not a de Polignac number, because 52345215 - 2² = 52345211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52345211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4164 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (2729506).

Almost surely, 2^52345215 is an apocalyptic number.

52345215 is a deficient number, since it is larger than the sum of its proper divisors (45917001).

52345215 is a wasteful number, since it uses less digits than its factorization.

52345215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920 (or 6904 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52345215 is about 7234.9993089150. Note that the first 3 decimals coincide. The cubic root of 52345215 is about 374.0752681973.

The spelling of 52345215 in words is "fifty-two million, three hundred forty-five thousand, two hundred fifteen".