525415254401 has 4 divisors (see below), whose sum is σ = 529195220400. Its totient is φ = 521635288404.

The previous prime is 525415254359. The next prime is 525415254409. The reversal of 525415254401 is 104452514525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525415254401 is a prime.

It is a super-2 number, since 2×525415254401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525415254409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889982791 + ... + 1889983068.

It is an arithmetic number, because the mean of its divisors is an integer number (132298805100).

Almost surely, 2^525415254401 is an apocalyptic number.

It is an amenable number.

525415254401 is a deficient number, since it is larger than the sum of its proper divisors (3779965999).

525415254401 is a wasteful number, since it uses less digits than its factorization.

525415254401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779965998.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 525415254401 its reverse (104452514525), we get a palindrome (629867768926).

The spelling of 525415254401 in words is "five hundred twenty-five billion, four hundred fifteen million, two hundred fifty-four thousand, four hundred one".