1625161037 has 2 divisors, whose sum is σ = 1625161038. Its totient is φ = 1625161036.

The previous prime is 1625160973. The next prime is 1625161129. The reversal of 1625161037 is 7301615261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968827876 + 656333161 = 31126^2 + 25619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625161037 - 2⁶ = 1625160973 is a prime.

It is a super-2 number, since 2×1625161037² = 5282296792365830738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1625160994 and 1625161012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625121037) 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 as a sum of consecutive naturals, namely, 812580518 + 812580519.

It is an arithmetic number, because the mean of its divisors is an integer number (812580519).

Almost surely, 2^1625161037 is an apocalyptic number.

It is an amenable number.

1625161037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625161037 is an equidigital number, since it uses as much as digits as its factorization.

1625161037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1625161037 is about 40313.2861101647. The cubic root of 1625161037 is about 1175.7061786682.

Adding to 1625161037 its reverse (7301615261), we get a palindrome (8926776298).

The spelling of 1625161037 in words is "one billion, six hundred twenty-five million, one hundred sixty-one thousand, thirty-seven".