501654130 has 16 divisors (see below), whose sum is σ = 903239064. Its totient is φ = 200603520.

The previous prime is 501654119. The next prime is 501654137. The reversal of 501654130 is 31456105.

It can be written as a sum of positive squares in 4 ways, for example, as 449482401 + 52171729 = 21201^2 + 7223^2 .

It is a super-2 number, since 2×501654130² = 503313732292113800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501654095 and 501654104.

It is not an unprimeable number, because it can be changed into a prime (501654137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51964 + ... + 60856.

Almost surely, 2^501654130 is an apocalyptic number.

501654130 is a deficient number, since it is larger than the sum of its proper divisors (401584934).

501654130 is a wasteful number, since it uses less digits than its factorization.

501654130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 501654130 is about 22397.6367056884. The cubic root of 501654130 is about 794.5748184635.

The spelling of 501654130 in words is "five hundred one million, six hundred fifty-four thousand, one hundred thirty".