725763511 has 4 divisors (see below), whose sum is σ = 791742024. Its totient is φ = 659785000.

The previous prime is 725763499. The next prime is 725763527. The reversal of 725763511 is 115367527.

725763511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115367527 = 11 ⋅10487957.

It is a cyclic number.

It is not a de Polignac number, because 725763511 - 2¹⁵ = 725730743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725763011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32989240 + ... + 32989261.

It is an arithmetic number, because the mean of its divisors is an integer number (197935506).

Almost surely, 2^725763511 is an apocalyptic number.

725763511 is a deficient number, since it is larger than the sum of its proper divisors (65978513).

725763511 is a wasteful number, since it uses less digits than its factorization.

725763511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65978512.

The product of its digits is 44100, while the sum is 37.

The square root of 725763511 is about 26939.9983481811. The cubic root of 725763511 is about 898.6661356168. Note that the first 3 decimals are identical.

The spelling of 725763511 in words is "seven hundred twenty-five million, seven hundred sixty-three thousand, five hundred eleven".