36520157 has 4 divisors (see below), whose sum is σ = 36532416. Its totient is φ = 36507900.

The previous prime is 36520153. The next prime is 36520163. The reversal of 36520157 is 75102563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75102563 = 37 ⋅2029799.

It is a cyclic number.

It is not a de Polignac number, because 36520157 - 2² = 36520153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36520153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 8682.

It is an arithmetic number, because the mean of its divisors is an integer number (9133104).

Almost surely, 2^36520157 is an apocalyptic number.

It is an amenable number.

36520157 is a deficient number, since it is larger than the sum of its proper divisors (12259).

36520157 is an equidigital number, since it uses as much as digits as its factorization.

36520157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 36520157 is about 6043.1909617354. The cubic root of 36520157 is about 331.7754233149.

The spelling of 36520157 in words is "thirty-six million, five hundred twenty thousand, one hundred fifty-seven".