25620250037 has 2 divisors, whose sum is σ = 25620250038. Its totient is φ = 25620250036.

The previous prime is 25620250031. The next prime is 25620250043. The reversal of 25620250037 is 73005202652.

It is a balanced prime because it is at equal distance from previous prime (25620250031) and next prime (25620250043).

It can be written as a sum of positive squares in only one way, i.e., 25535720401 + 84529636 = 159799^2 + 9194^2 .

It is a cyclic number.

It is not a de Polignac number, because 25620250037 - 2¹⁰ = 25620249013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25620249985 and 25620250012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25620250031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12810125018 + 12810125019.

It is an arithmetic number, because the mean of its divisors is an integer number (12810125019).

Almost surely, 2^25620250037 is an apocalyptic number.

It is an amenable number.

25620250037 is a deficient number, since it is larger than the sum of its proper divisors (1).

25620250037 is an equidigital number, since it uses as much as digits as its factorization.

25620250037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 25620250037 its reverse (73005202652), we get a palindrome (98625452689).

The spelling of 25620250037 in words is "twenty-five billion, six hundred twenty million, two hundred fifty thousand, thirty-seven".