52203139 has 2 divisors, whose sum is σ = 52203140. Its totient is φ = 52203138.

The previous prime is 52203119. The next prime is 52203149. The reversal of 52203139 is 93130225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52203139 - 2¹¹ = 52201091 is a prime.

It is not a weakly prime, because it can be changed into another prime (52203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26101569 + 26101570.

It is an arithmetic number, because the mean of its divisors is an integer number (26101570).

Almost surely, 2^52203139 is an apocalyptic number.

52203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

52203139 is an equidigital number, since it uses as much as digits as its factorization.

52203139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 52203139 is about 7225.1739771441. The cubic root of 52203139 is about 373.7365217005.

The spelling of 52203139 in words is "fifty-two million, two hundred three thousand, one hundred thirty-nine".