36025661 has 4 divisors (see below), whose sum is σ = 41172192. Its totient is φ = 30879132.

The previous prime is 36025631. The next prime is 36025673. The reversal of 36025661 is 16652063.

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 an emirpimes, since its reverse is a distinct semiprime: 16652063 = 449 ⋅37087.

It is a cyclic number.

It is not a de Polignac number, because 36025661 - 2¹⁸ = 35763517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36025621) 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, 2573255 + ... + 2573268.

It is an arithmetic number, because the mean of its divisors is an integer number (10293048).

Almost surely, 2^36025661 is an apocalyptic number.

It is an amenable number.

36025661 is a deficient number, since it is larger than the sum of its proper divisors (5146531).

36025661 is an equidigital number, since it uses as much as digits as its factorization.

36025661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146530.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 36025661 is about 6002.1380357336. The cubic root of 36025661 is about 330.2711606588.

The spelling of 36025661 in words is "thirty-six million, twenty-five thousand, six hundred sixty-one".