525454707454525 has 6 divisors (see below), whose sum is σ = 651563837243642. Its totient is φ = 420363765963600.

The previous prime is 525454707454507. The next prime is 525454707454553.

It is a happy number.

525454707454525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 2400014443204 + 523054693011321 = 1549198^2 + 22870389^2 .

It is not a de Polignac number, because 525454707454525 - 2³⁹ = 524904951640637 is a prime.

It is a super-2 number, since 2×525454707454525² (a number of 30 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10509094149066 + ... + 10509094149115.

Almost surely, 2^{525454707454525} is an apocalyptic number.

It is an amenable number.

525454707454525 is a deficient number, since it is larger than the sum of its proper divisors (126109129789117).

525454707454525 is a wasteful number, since it uses less digits than its factorization.

525454707454525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21018188298191 (or 21018188298186 counting only the distinct ones).

The product of its (nonzero) digits is 784000000, while the sum is 64.

It can be divided in two parts, 52545470 and 7454525, that added together give a palindrome (59999995).

The spelling of 525454707454525 in words is "five hundred twenty-five trillion, four hundred fifty-four billion, seven hundred seven million, four hundred fifty-four thousand, five hundred twenty-five".