501535442 has 4 divisors (see below), whose sum is σ = 752303166. Its totient is φ = 250767720.

The previous prime is 501535423. The next prime is 501535451. The reversal of 501535442 is 244535105.

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., 488365801 + 13169641 = 22099^2 + 3629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125383859 + ... + 125383862.

Almost surely, 2^501535442 is an apocalyptic number.

501535442 is a deficient number, since it is larger than the sum of its proper divisors (250767724).

501535442 is a wasteful number, since it uses less digits than its factorization.

501535442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250767723.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 501535442 is about 22394.9869836979. The cubic root of 501535442 is about 794.5121498313.

The spelling of 501535442 in words is "five hundred one million, five hundred thirty-five thousand, four hundred forty-two".