52215003 has 16 divisors (see below), whose sum is σ = 78156960. Its totient is φ = 34449408.

The previous prime is 52215001. The next prime is 52215011. The reversal of 52215003 is 30051225.

It is a happy number.

It is not a de Polignac number, because 52215003 - 2¹ = 52215001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52215001) 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, 7350 + ... + 12587.

It is an arithmetic number, because the mean of its divisors is an integer number (4884810).

Almost surely, 2^52215003 is an apocalyptic number.

52215003 is a deficient number, since it is larger than the sum of its proper divisors (25941957).

52215003 is a wasteful number, since it uses less digits than its factorization.

52215003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043 (or 20037 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52215003 is about 7225.9949487942. The cubic root of 52215003 is about 373.7648320941.

Adding to 52215003 its reverse (30051225), we get a palindrome (82266228).

The spelling of 52215003 in words is "fifty-two million, two hundred fifteen thousand, three".