525400132567405 has 8 divisors (see below), whose sum is σ = 634495956273432. Its totient is φ = 417642907925568.

The previous prime is 525400132567403. The next prime is 525400132567511. The reversal of 525400132567405 is 504765231004525.

It can be written as a sum of positive squares in 4 ways, for example, as 84561523798756 + 440838608768649 = 9195734^2 + 20996157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525400132567405 - 2¹ = 525400132567403 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 (525400132567403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334649765182 + ... + 334649766751.

It is an arithmetic number, because the mean of its divisors is an integer number (79311994534179).

Almost surely, 2^{525400132567405} is an apocalyptic number.

It is an amenable number.

525400132567405 is a deficient number, since it is larger than the sum of its proper divisors (109095823706027).

525400132567405 is a wasteful number, since it uses less digits than its factorization.

525400132567405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669299532095.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 525400132567405 in words is "five hundred twenty-five trillion, four hundred billion, one hundred thirty-two million, five hundred sixty-seven thousand, four hundred five".