32401151 has 4 divisors (see below), whose sum is σ = 32428704. Its totient is φ = 32373600.

The previous prime is 32401121. The next prime is 32401153. The reversal of 32401151 is 15110423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32401151 - 2¹⁴ = 32384767 is a prime.

It is a super-2 number, since 2×32401151² = 2099669172249602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32401153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11930 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (8107176).

Almost surely, 2^32401151 is an apocalyptic number.

32401151 is a deficient number, since it is larger than the sum of its proper divisors (27553).

32401151 is a wasteful number, since it uses less digits than its factorization.

32401151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27552.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 32401151 is about 5692.2008924492. The cubic root of 32401151 is about 318.8013457719.

Adding to 32401151 its reverse (15110423), we get a palindrome (47511574).

The spelling of 32401151 in words is "thirty-two million, four hundred one thousand, one hundred fifty-one".