501125400633 has 48 divisors (see below), whose sum is σ = 789501176640. Its totient is φ = 280275840000.

The previous prime is 501125400619. The next prime is 501125400647. The reversal of 501125400633 is 336004521105.

It is an interprime number because it is at equal distance from previous prime (501125400619) and next prime (501125400647).

It is not a de Polignac number, because 501125400633 - 2⁴ = 501125400617 is a prime.

It is a super-2 number, since 2×501125400633² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501125400633.

It is not an unprimeable number, because it can be changed into a prime (501125400833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26364133 + ... + 26383133.

It is an arithmetic number, because the mean of its divisors is an integer number (16447941180).

Almost surely, 2^501125400633 is an apocalyptic number.

It is an amenable number.

501125400633 is a deficient number, since it is larger than the sum of its proper divisors (288375776007).

501125400633 is a wasteful number, since it uses less digits than its factorization.

501125400633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23770 (or 23757 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 501125400633 its reverse (336004521105), we get a palindrome (837129921738).

The spelling of 501125400633 in words is "five hundred one billion, one hundred twenty-five million, four hundred thousand, six hundred thirty-three".