52115245 has 32 divisors (see below), whose sum is σ = 78640128. Its totient is φ = 32272128.

The previous prime is 52115209. The next prime is 52115281. The reversal of 52115245 is 54251125.

It is an interprime number because it is at equal distance from previous prime (52115209) and next prime (52115281).

It is not a de Polignac number, because 52115245 - 2¹³ = 52107053 is a prime.

It is a super-2 number, since 2×52115245² = 5431997522820050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20167 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (2457504).

Almost surely, 2^52115245 is an apocalyptic number.

It is an amenable number.

52115245 is a deficient number, since it is larger than the sum of its proper divisors (26524883).

52115245 is a wasteful number, since it uses less digits than its factorization.

52115245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509.

The product of its digits is 2000, while the sum is 25.

The square root of 52115245 is about 7219.0889314373. The cubic root of 52115245 is about 373.5266514915.

The spelling of 52115245 in words is "fifty-two million, one hundred fifteen thousand, two hundred forty-five".