36471397 has 2 divisors, whose sum is σ = 36471398. Its totient is φ = 36471396.

The previous prime is 36471371. The next prime is 36471401. The reversal of 36471397 is 79317463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 6155361 = 5506^2 + 2481^2 .

It is an emirp because it is prime and its reverse (79317463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36471397 - 2¹⁵ = 36438629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36471497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18235698 + 18235699.

It is an arithmetic number, because the mean of its divisors is an integer number (18235699).

Almost surely, 2^36471397 is an apocalyptic number.

It is an amenable number.

36471397 is a deficient number, since it is larger than the sum of its proper divisors (1).

36471397 is an equidigital number, since it uses as much as digits as its factorization.

36471397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 36471397 is about 6039.1553217317. The cubic root of 36471397 is about 331.6277005587.

The spelling of 36471397 in words is "thirty-six million, four hundred seventy-one thousand, three hundred ninety-seven".