1532342857 has 2 divisors, whose sum is σ = 1532342858. Its totient is φ = 1532342856.

The previous prime is 1532342809. The next prime is 1532342879. The reversal of 1532342857 is 7582432351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043225401 + 489117456 = 32299^2 + 22116^2 .

It is a cyclic number.

It is not a de Polignac number, because 1532342857 - 2¹⁵ = 1532310089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1532342657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766171428 + 766171429.

It is an arithmetic number, because the mean of its divisors is an integer number (766171429).

Almost surely, 2^1532342857 is an apocalyptic number.

It is an amenable number.

1532342857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532342857 is an equidigital number, since it uses as much as digits as its factorization.

1532342857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 1532342857 is about 39145.1511301208. The cubic root of 1532342857 is about 1152.8832144772.

The spelling of 1532342857 in words is "one billion, five hundred thirty-two million, three hundred forty-two thousand, eight hundred fifty-seven".