1625852231 has 16 divisors (see below), whose sum is σ = 1679546880. Its totient is φ = 1572970560.

The previous prime is 1625852227. The next prime is 1625852237. The reversal of 1625852231 is 1322585261.

It is not a de Polignac number, because 1625852231 - 2² = 1625852227 is a prime.

It is a super-2 number, since 2×1625852231² = 5286790954095354722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1625852191 and 1625852200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625852237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887556 + ... + 2888118.

It is an arithmetic number, because the mean of its divisors is an integer number (104971680).

Almost surely, 2^1625852231 is an apocalyptic number.

1625852231 is a deficient number, since it is larger than the sum of its proper divisors (53694649).

1625852231 is a wasteful number, since it uses less digits than its factorization.

1625852231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its digits is 28800, while the sum is 35.

The square root of 1625852231 is about 40321.8579805048. The cubic root of 1625852231 is about 1175.8728341273.

The spelling of 1625852231 in words is "one billion, six hundred twenty-five million, eight hundred fifty-two thousand, two hundred thirty-one".