52145544150397 has 2 divisors, whose sum is σ = 52145544150398. Its totient is φ = 52145544150396.

The previous prime is 52145544150347. The next prime is 52145544150499. The reversal of 52145544150397 is 79305144554125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39290694796441 + 12854849353956 = 6268229^2 + 3585366^2 .

It is a cyclic number.

It is not a de Polignac number, because 52145544150397 - 2⁷ = 52145544150269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52145544150347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26072772075198 + 26072772075199.

It is an arithmetic number, because the mean of its divisors is an integer number (26072772075199).

Almost surely, 2^{52145544150397} is an apocalyptic number.

It is an amenable number.

52145544150397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52145544150397 is an equidigital number, since it uses as much as digits as its factorization.

52145544150397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120000, while the sum is 55.

The spelling of 52145544150397 in words is "fifty-two trillion, one hundred forty-five billion, five hundred forty-four million, one hundred fifty thousand, three hundred ninety-seven".