36611501 has 2 divisors, whose sum is σ = 36611502. Its totient is φ = 36611500.

The previous prime is 36611437. The next prime is 36611503. The reversal of 36611501 is 10511663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 491401 = 6010^2 + 701^2 .

It is a cyclic number.

It is not a de Polignac number, because 36611501 - 2⁶ = 36611437 is a prime.

Together with 36611503, 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 (36611503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18305750 + 18305751.

It is an arithmetic number, because the mean of its divisors is an integer number (18305751).

Almost surely, 2^36611501 is an apocalyptic number.

It is an amenable number.

36611501 is a deficient number, since it is larger than the sum of its proper divisors (1).

36611501 is an equidigital number, since it uses as much as digits as its factorization.

36611501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 36611501 is about 6050.7438385706. The cubic root of 36611501 is about 332.0518045885.

The spelling of 36611501 in words is "thirty-six million, six hundred eleven thousand, five hundred one".