501432413 has 4 divisors (see below), whose sum is σ = 501484860. Its totient is φ = 501379968.

The previous prime is 501432403. The next prime is 501432431. The reversal of 501432413 is 314234105.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 314234105 = 5 ⋅62846821.

It can be written as a sum of positive squares in 2 ways, for example, as 385611769 + 115820644 = 19637^2 + 10762^2 .

It is a cyclic number.

It is not a de Polignac number, because 501432413 - 2⁴ = 501432397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501432403) 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, 7358 + ... + 32511.

It is an arithmetic number, because the mean of its divisors is an integer number (125371215).

Almost surely, 2^501432413 is an apocalyptic number.

It is an amenable number.

501432413 is a deficient number, since it is larger than the sum of its proper divisors (52447).

501432413 is a wasteful number, since it uses less digits than its factorization.

501432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52446.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 501432413 is about 22392.6865962975. The cubic root of 501432413 is about 794.4577413147.

Adding to 501432413 its reverse (314234105), we get a palindrome (815666518).

The spelling of 501432413 in words is "five hundred one million, four hundred thirty-two thousand, four hundred thirteen".