425649141 has 8 divisors (see below), whose sum is σ = 630591360. Its totient is φ = 283766076.

The previous prime is 425649113. The next prime is 425649143. The reversal of 425649141 is 141946524.

425649141 is a `hidden beast` number, since 4 + 2 + 5 + 649 + 1 + 4 + 1 = 666.

It is not a de Polignac number, because 425649141 - 2¹⁰ = 425648117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425649096 and 425649105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425649143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7882365 + ... + 7882418.

It is an arithmetic number, because the mean of its divisors is an integer number (78823920).

Almost surely, 2^425649141 is an apocalyptic number.

It is an amenable number.

425649141 is a deficient number, since it is larger than the sum of its proper divisors (204942219).

425649141 is a wasteful number, since it uses less digits than its factorization.

425649141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15764792 (or 15764786 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 425649141 is about 20631.2661026899. The cubic root of 425649141 is about 752.2298915410.

The spelling of 425649141 in words is "four hundred twenty-five million, six hundred forty-nine thousand, one hundred forty-one".