725356653527 has 6 divisors (see below), whose sum is σ = 797292850704. Its totient is φ = 659415139460.

The previous prime is 725356653509. The next prime is 725356653529.

725356653527 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 725356653527 - 2¹² = 725356649431 is a prime.

It is a super-2 number, since 2×725356653527² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725356653529) 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 in 5 ways as a sum of consecutive naturals, for example, 2997341423 + ... + 2997341664.

It is an arithmetic number, because the mean of its divisors is an integer number (132882141784).

Almost surely, 2^725356653527 is an apocalyptic number.

725356653527 is a deficient number, since it is larger than the sum of its proper divisors (71936197177).

725356653527 is a wasteful number, since it uses less digits than its factorization.

725356653527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994683109 (or 5994683098 counting only the distinct ones).

The product of its digits is 39690000, while the sum is 56.

The spelling of 725356653527 in words is "seven hundred twenty-five billion, three hundred fifty-six million, six hundred fifty-three thousand, five hundred twenty-seven".