142527397 has 2 divisors, whose sum is σ = 142527398. Its totient is φ = 142527396.

The previous prime is 142527353. The next prime is 142527433. The reversal of 142527397 is 793725241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99480676 + 43046721 = 9974^2 + 6561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142527397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142527347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71263698 + 71263699.

It is an arithmetic number, because the mean of its divisors is an integer number (71263699).

Almost surely, 2^142527397 is an apocalyptic number.

It is an amenable number.

142527397 is a deficient number, since it is larger than the sum of its proper divisors (1).

142527397 is an equidigital number, since it uses as much as digits as its factorization.

142527397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 142527397 is about 11938.4838652150. The cubic root of 142527397 is about 522.3554350786.

The spelling of 142527397 in words is "one hundred forty-two million, five hundred twenty-seven thousand, three hundred ninety-seven".