1650504425 has 12 divisors (see below), whose sum is σ = 2065756176. Its totient is φ = 1308061200.

The previous prime is 1650504397. The next prime is 1650504431. The reversal of 1650504425 is 5244050561.

It is a de Polignac number, because none of the positive numbers 2^k-1650504425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1650504391 and 1650504400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305831 + ... + 311180.

It is an arithmetic number, because the mean of its divisors is an integer number (172146348).

Almost surely, 2^1650504425 is an apocalyptic number.

It is an amenable number.

1650504425 is a deficient number, since it is larger than the sum of its proper divisors (415251751).

1650504425 is a wasteful number, since it uses less digits than its factorization.

1650504425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617128 (or 617123 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1650504425 is about 40626.4005912412. The cubic root of 1650504425 is about 1181.7861547130.

Adding to 1650504425 its reverse (5244050561), we get a palindrome (6894554986).

The spelling of 1650504425 in words is "one billion, six hundred fifty million, five hundred four thousand, four hundred twenty-five".