52500389 has 2 divisors, whose sum is σ = 52500390. Its totient is φ = 52500388.

The previous prime is 52500367. The next prime is 52500397. The reversal of 52500389 is 98300525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45792289 + 6708100 = 6767^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 52500389 - 2¹⁶ = 52434853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52500689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26250194 + 26250195.

It is an arithmetic number, because the mean of its divisors is an integer number (26250195).

Almost surely, 2^52500389 is an apocalyptic number.

It is an amenable number.

52500389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52500389 is an equidigital number, since it uses as much as digits as its factorization.

52500389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 52500389 is about 7245.7152165953. The cubic root of 52500389 is about 374.4445441749. Note that the first 3 decimals are identical.

The spelling of 52500389 in words is "fifty-two million, five hundred thousand, three hundred eighty-nine".