52452245 has 8 divisors (see below), whose sum is σ = 64130616. Its totient is φ = 41169856.

The previous prime is 52452241. The next prime is 52452247. The reversal of 52452245 is 54225425.

It can be written as a sum of positive squares in 4 ways, for example, as 237169 + 52215076 = 487^2 + 7226^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52452245 - 2² = 52452241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52452241) 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, 98702 + ... + 99231.

It is an arithmetic number, because the mean of its divisors is an integer number (8016327).

Almost surely, 2^52452245 is an apocalyptic number.

It is an amenable number.

52452245 is a deficient number, since it is larger than the sum of its proper divisors (11678371).

52452245 is a wasteful number, since it uses less digits than its factorization.

52452245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197991.

The product of its digits is 16000, while the sum is 29.

The square root of 52452245 is about 7242.3922152836. The cubic root of 52452245 is about 374.3300512366.

The spelling of 52452245 in words is "fifty-two million, four hundred fifty-two thousand, two hundred forty-five".