725854069 has 2 divisors, whose sum is σ = 725854070. Its totient is φ = 725854068.

The previous prime is 725854043. The next prime is 725854097. The reversal of 725854069 is 960458527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653824900 + 72029169 = 25570^2 + 8487^2 .

It is a cyclic number.

It is not a de Polignac number, because 725854069 - 2¹³ = 725845877 is a prime.

It is a super-2 number, since 2×725854069² = 1053728258967713522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725854009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362927034 + 362927035.

It is an arithmetic number, because the mean of its divisors is an integer number (362927035).

Almost surely, 2^725854069 is an apocalyptic number.

It is an amenable number.

725854069 is a deficient number, since it is larger than the sum of its proper divisors (1).

725854069 is an equidigital number, since it uses as much as digits as its factorization.

725854069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 725854069 is about 26941.6790308251. The cubic root of 725854069 is about 898.7035114388.

The spelling of 725854069 in words is "seven hundred twenty-five million, eight hundred fifty-four thousand, sixty-nine".