36525409 has 4 divisors (see below), whose sum is σ = 37703680. Its totient is φ = 35347140.

The previous prime is 36525407. The next prime is 36525431. The reversal of 36525409 is 90452563.

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.

It is a cyclic number.

It is not a de Polignac number, because 36525409 - 2¹ = 36525407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36525407) 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, 589089 + ... + 589150.

It is an arithmetic number, because the mean of its divisors is an integer number (9425920).

Almost surely, 2^36525409 is an apocalyptic number.

It is an amenable number.

36525409 is a deficient number, since it is larger than the sum of its proper divisors (1178271).

36525409 is a wasteful number, since it uses less digits than its factorization.

36525409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178270.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 36525409 is about 6043.6254847566. The cubic root of 36525409 is about 331.7913268701.

The spelling of 36525409 in words is "thirty-six million, five hundred twenty-five thousand, four hundred nine".