36172401 has 4 divisors (see below), whose sum is σ = 48229872. Its totient is φ = 24114932.

The previous prime is 36172393. The next prime is 36172403. The reversal of 36172401 is 10427163.

36172401 is nontrivially palindromic in base 7.

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: 10427163 = 3 ⋅3475721.

It is a cyclic number.

It is not a de Polignac number, because 36172401 - 2³ = 36172393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36172403) 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, 6028731 + ... + 6028736.

It is an arithmetic number, because the mean of its divisors is an integer number (12057468).

Almost surely, 2^36172401 is an apocalyptic number.

It is an amenable number.

36172401 is a deficient number, since it is larger than the sum of its proper divisors (12057471).

36172401 is a wasteful number, since it uses less digits than its factorization.

36172401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057470.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 36172401 is about 6014.3495907704. The cubic root of 36172401 is about 330.7189742078.

Adding to 36172401 its reverse (10427163), we get a palindrome (46599564).

The spelling of 36172401 in words is "thirty-six million, one hundred seventy-two thousand, four hundred one".