501628497 has 8 divisors (see below), whose sum is σ = 684392544. Its totient is φ = 326641728.

The previous prime is 501628489. The next prime is 501628507. The reversal of 501628497 is 794826105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 501628497 - 2³ = 501628489 is a prime.

It is a super-2 number, since 2×501628497² = 503262298004958018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501628417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944168 + ... + 1944425.

It is an arithmetic number, because the mean of its divisors is an integer number (85549068).

Almost surely, 2^501628497 is an apocalyptic number.

It is an amenable number.

501628497 is a deficient number, since it is larger than the sum of its proper divisors (182764047).

501628497 is a wasteful number, since it uses less digits than its factorization.

501628497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888639.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 501628497 is about 22397.0644728277. The cubic root of 501628497 is about 794.5612847809.

The spelling of 501628497 in words is "five hundred one million, six hundred twenty-eight thousand, four hundred ninety-seven".