501742354 has 4 divisors (see below), whose sum is σ = 752613534. Its totient is φ = 250871176.

The previous prime is 501742337. The next prime is 501742357. The reversal of 501742354 is 453247105.

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

It can be written as a sum of positive squares in only one way, i.e., 433597329 + 68145025 = 20823^2 + 8255^2 .

It is a super-3 number, since 3×501742354³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (501742357) 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 as a sum of consecutive naturals, namely, 125435587 + ... + 125435590.

Almost surely, 2^501742354 is an apocalyptic number.

501742354 is a deficient number, since it is larger than the sum of its proper divisors (250871180).

501742354 is a wasteful number, since it uses less digits than its factorization.

501742354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250871179.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 501742354 is about 22399.6061126083. The cubic root of 501742354 is about 794.6213953482.

Adding to 501742354 its reverse (453247105), we get a palindrome (954989459).

The spelling of 501742354 in words is "five hundred one million, seven hundred forty-two thousand, three hundred fifty-four".