551725867325 has 24 divisors (see below), whose sum is σ = 698840929800. Its totient is φ = 431939106560.

The previous prime is 551725867261. The next prime is 551725867331. The reversal of 551725867325 is 523768527155.

It can be written as a sum of positive squares in 12 ways, for example, as 156364094041 + 395361773284 = 395429^2 + 628778^2 .

It is not a de Polignac number, because 551725867325 - 2⁶ = 551725867261 is a prime.

It is a super-3 number, since 3×551725867325³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19790 + ... + 1050639.

It is an arithmetic number, because the mean of its divisors is an integer number (29118372075).

Almost surely, 2^551725867325 is an apocalyptic number.

It is an amenable number.

551725867325 is a deficient number, since it is larger than the sum of its proper divisors (147115062475).

551725867325 is a wasteful number, since it uses less digits than its factorization.

551725867325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070881 (or 1070876 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 56.

The spelling of 551725867325 in words is "five hundred fifty-one billion, seven hundred twenty-five million, eight hundred sixty-seven thousand, three hundred twenty-five".