32240451 has 4 divisors (see below), whose sum is σ = 42987272. Its totient is φ = 21493632.

The previous prime is 32240423. The next prime is 32240479. The reversal of 32240451 is 15404223.

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

It is an interprime number because it is at equal distance from previous prime (32240423) and next prime (32240479).

It is not a de Polignac number, because 32240451 - 2⁷ = 32240323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32240051) 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, 5373406 + ... + 5373411.

It is an arithmetic number, because the mean of its divisors is an integer number (10746818).

Almost surely, 2^32240451 is an apocalyptic number.

32240451 is a deficient number, since it is larger than the sum of its proper divisors (10746821).

32240451 is a wasteful number, since it uses less digits than its factorization.

32240451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746820.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 32240451 is about 5678.0675409861. The cubic root of 32240451 is about 318.2734189724.

Adding to 32240451 its reverse (15404223), we get a palindrome (47644674).

The spelling of 32240451 in words is "thirty-two million, two hundred forty thousand, four hundred fifty-one".