525374152365121 has 2 divisors, whose sum is σ = 525374152365122. Its totient is φ = 525374152365120.

The previous prime is 525374152365047. The next prime is 525374152365233. The reversal of 525374152365121 is 121563251473525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363313334208400 + 162060818156721 = 19060780^2 + 12730311^2 .

It is a cyclic number.

It is not a de Polignac number, because 525374152365121 - 2³¹ = 525372004881473 is a prime.

It is not a weakly prime, because it can be changed into another prime (525374152365521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262687076182560 + 262687076182561.

It is an arithmetic number, because the mean of its divisors is an integer number (262687076182561).

Almost surely, 2^{525374152365121} is an apocalyptic number.

It is an amenable number.

525374152365121 is a deficient number, since it is larger than the sum of its proper divisors (1).

525374152365121 is an equidigital number, since it uses as much as digits as its factorization.

525374152365121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560000, while the sum is 52.

The spelling of 525374152365121 in words is "five hundred twenty-five trillion, three hundred seventy-four billion, one hundred fifty-two million, three hundred sixty-five thousand, one hundred twenty-one".