36520949 has 2 divisors, whose sum is σ = 36520950. Its totient is φ = 36520948.

The previous prime is 36520903. The next prime is 36520973. The reversal of 36520949 is 94902563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19298449 + 17222500 = 4393^2 + 4150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36520949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36525949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18260474 + 18260475.

It is an arithmetic number, because the mean of its divisors is an integer number (18260475).

Almost surely, 2^36520949 is an apocalyptic number.

It is an amenable number.

36520949 is a deficient number, since it is larger than the sum of its proper divisors (1).

36520949 is an equidigital number, since it uses as much as digits as its factorization.

36520949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 36520949 is about 6043.2564896751. The cubic root of 36520949 is about 331.7778216638. Note that the first 3 decimals are identical.

The spelling of 36520949 in words is "thirty-six million, five hundred twenty thousand, nine hundred forty-nine".