525406673397 has 8 divisors (see below), whose sum is σ = 705004284256. Its totient is φ = 348040089072.

The previous prime is 525406673383. The next prime is 525406673437. The reversal of 525406673397 is 793376604525.

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

It is not a de Polignac number, because 525406673397 - 2⁴ = 525406673381 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 (525406671397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557756083 + ... + 557757024.

It is an arithmetic number, because the mean of its divisors is an integer number (88125535532).

Almost surely, 2^525406673397 is an apocalyptic number.

It is an amenable number.

525406673397 is a deficient number, since it is larger than the sum of its proper divisors (179597610859).

525406673397 is a wasteful number, since it uses less digits than its factorization.

525406673397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115513267.

The product of its (nonzero) digits is 28576800, while the sum is 57.

The spelling of 525406673397 in words is "five hundred twenty-five billion, four hundred six million, six hundred seventy-three thousand, three hundred ninety-seven".