725553011 has 2 divisors, whose sum is σ = 725553012. Its totient is φ = 725553010.

The previous prime is 725553007. The next prime is 725553029. The reversal of 725553011 is 110355527.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725553011 - 2² = 725553007 is a prime.

It is a super-2 number, since 2×725553011² = 1052854343542332242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725553041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362776505 + 362776506.

It is an arithmetic number, because the mean of its divisors is an integer number (362776506).

Almost surely, 2^725553011 is an apocalyptic number.

725553011 is a deficient number, since it is larger than the sum of its proper divisors (1).

725553011 is an equidigital number, since it uses as much as digits as its factorization.

725553011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 725553011 is about 26936.0912346242. The cubic root of 725553011 is about 898.5792443589.

The spelling of 725553011 in words is "seven hundred twenty-five million, five hundred fifty-three thousand, eleven".