908532397 has 2 divisors, whose sum is σ = 908532398. Its totient is φ = 908532396.

The previous prime is 908532389. The next prime is 908532433. The reversal of 908532397 is 793235809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590052681 + 318479716 = 24291^2 + 17846^2 .

It is an emirp because it is prime and its reverse (793235809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 908532397 - 2³ = 908532389 is a prime.

It is a super-2 number, since 2×908532397² = 1650862232797131218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (908532347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454266198 + 454266199.

It is an arithmetic number, because the mean of its divisors is an integer number (454266199).

Almost surely, 2^908532397 is an apocalyptic number.

It is an amenable number.

908532397 is a deficient number, since it is larger than the sum of its proper divisors (1).

908532397 is an equidigital number, since it uses as much as digits as its factorization.

908532397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 908532397 is about 30141.8711595680. The cubic root of 908532397 is about 968.5308815999.

The spelling of 908532397 in words is "nine hundred eight million, five hundred thirty-two thousand, three hundred ninety-seven".