36561957 has 8 divisors (see below), whose sum is σ = 50066976. Its totient is φ = 23715792.

The previous prime is 36561949. The next prime is 36561961. The reversal of 36561957 is 75916563.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36561957 - 2³ = 36561949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164583 + ... + 164804.

It is an arithmetic number, because the mean of its divisors is an integer number (6258372).

Almost surely, 2^36561957 is an apocalyptic number.

36561957 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

36561957 is a deficient number, since it is larger than the sum of its proper divisors (13505019).

36561957 is a wasteful number, since it uses less digits than its factorization.

36561957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329427.

The product of its digits is 170100, while the sum is 42.

The square root of 36561957 is about 6046.6484104833. The cubic root of 36561957 is about 331.9019554927.

The spelling of 36561957 in words is "thirty-six million, five hundred sixty-one thousand, nine hundred fifty-seven".