525421134551 has 8 divisors (see below), whose sum is σ = 535582431504. Its totient is φ = 515357075200.

The previous prime is 525421134547. The next prime is 525421134559. The reversal of 525421134551 is 155431124525.

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 525421134551 - 2² = 525421134547 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 (525421134559) 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, 24298490 + ... + 24320103.

It is an arithmetic number, because the mean of its divisors is an integer number (66947803938).

Almost surely, 2^525421134551 is an apocalyptic number.

525421134551 is a deficient number, since it is larger than the sum of its proper divisors (10161296953).

525421134551 is a wasteful number, since it uses less digits than its factorization.

525421134551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48618801.

The product of its digits is 120000, while the sum is 38.

The spelling of 525421134551 in words is "five hundred twenty-five billion, four hundred twenty-one million, one hundred thirty-four thousand, five hundred fifty-one".