725142533 has 2 divisors, whose sum is σ = 725142534. Its totient is φ = 725142532.

The previous prime is 725142527. The next prime is 725142547. The reversal of 725142533 is 335241527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658589569 + 66552964 = 25663^2 + 8158^2 .

It is an emirp because it is prime and its reverse (335241527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725142533 - 2¹⁰ = 725141509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 725142533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725142133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362571266 + 362571267.

It is an arithmetic number, because the mean of its divisors is an integer number (362571267).

Almost surely, 2^725142533 is an apocalyptic number.

It is an amenable number.

725142533 is a deficient number, since it is larger than the sum of its proper divisors (1).

725142533 is an equidigital number, since it uses as much as digits as its factorization.

725142533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 725142533 is about 26928.4706769620. The cubic root of 725142533 is about 898.4097568162.

The spelling of 725142533 in words is "seven hundred twenty-five million, one hundred forty-two thousand, five hundred thirty-three".