5398529 has 2 divisors, whose sum is σ = 5398530. Its totient is φ = 5398528.

The previous prime is 5398513. The next prime is 5398531. The reversal of 5398529 is 9258935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 16129 = 2320^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 5398529 - 2⁴ = 5398513 is a prime.

Together with 5398531, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5² + 3¹⁴ + 9⁴ + 8⁶ + 5⁷ + 2¹⁸ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (5398579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699264 + 2699265.

It is an arithmetic number, because the mean of its divisors is an integer number (2699265).

It is a Proth number, since it is equal to 659 ⋅ 2¹³ + 1 and 659 < 2¹³.

Almost surely, 2^5398529 is an apocalyptic number.

It is an amenable number.

5398529 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398529 is an equidigital number, since it uses as much as digits as its factorization.

5398529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 5398529 is about 2323.4734773610. The cubic root of 5398529 is about 175.4251323642.

It can be divided in two parts, 53985 and 29, that multiplied together give a triangular number (1565565 = T₁₇₆₉).

The spelling of 5398529 in words is "five million, three hundred ninety-eight thousand, five hundred twenty-nine".