1641124325 has 24 divisors (see below), whose sum is σ = 2157252552. Its totient is φ = 1234206720.

The previous prime is 1641124319. The next prime is 1641124337. The reversal of 1641124325 is 5234211461.

It can be written as a sum of positive squares in 12 ways, for example, as 1171145284 + 469979041 = 34222^2 + 21679^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1641124325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472997 + ... + 476453.

It is an arithmetic number, because the mean of its divisors is an integer number (89885523).

Almost surely, 2^1641124325 is an apocalyptic number.

It is an amenable number.

1641124325 is a deficient number, since it is larger than the sum of its proper divisors (516128227).

1641124325 is a wasteful number, since it uses less digits than its factorization.

1641124325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601 (or 4596 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1641124325 is about 40510.7926977491. The cubic root of 1641124325 is about 1179.5431356432.

Adding to 1641124325 its reverse (5234211461), we get a palindrome (6875335786).

The spelling of 1641124325 in words is "one billion, six hundred forty-one million, one hundred twenty-four thousand, three hundred twenty-five".