36690551 has 2 divisors, whose sum is σ = 36690552. Its totient is φ = 36690550.

The previous prime is 36690509. The next prime is 36690553. The reversal of 36690551 is 15509663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36690551 - 2⁶ = 36690487 is a prime.

Together with 36690553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36690553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18345275 + 18345276.

It is an arithmetic number, because the mean of its divisors is an integer number (18345276).

Almost surely, 2^36690551 is an apocalyptic number.

36690551 is a deficient number, since it is larger than the sum of its proper divisors (1).

36690551 is an equidigital number, since it uses as much as digits as its factorization.

36690551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 36690551 is about 6057.2725710504. The cubic root of 36690551 is about 332.2906168503.

The spelling of 36690551 in words is "thirty-six million, six hundred ninety thousand, five hundred fifty-one".