525504121147 has 2 divisors, whose sum is σ = 525504121148. Its totient is φ = 525504121146.

The previous prime is 525504121117. The next prime is 525504121157. The reversal of 525504121147 is 741121405525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525504121147 is a prime.

It is not a weakly prime, because it can be changed into another prime (525504121117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262752060573 + 262752060574.

It is an arithmetic number, because the mean of its divisors is an integer number (262752060574).

Almost surely, 2^525504121147 is an apocalyptic number.

525504121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

525504121147 is an equidigital number, since it uses as much as digits as its factorization.

525504121147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 525504121147 in words is "five hundred twenty-five billion, five hundred four million, one hundred twenty-one thousand, one hundred forty-seven".