2425621537 has 2 divisors, whose sum is σ = 2425621538. Its totient is φ = 2425621536.

The previous prime is 2425621531. The next prime is 2425621577. The reversal of 2425621537 is 7351265242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2403352576 + 22268961 = 49024^2 + 4719^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425621537 - 2¹¹ = 2425619489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2425621496 and 2425621505.

It is not a weakly prime, because it can be changed into another prime (2425621531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212810768 + 1212810769.

It is an arithmetic number, because the mean of its divisors is an integer number (1212810769).

Almost surely, 2^2425621537 is an apocalyptic number.

It is an amenable number.

2425621537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2425621537 is an equidigital number, since it uses as much as digits as its factorization.

2425621537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 2425621537 is about 49250.5993567591. The cubic root of 2425621537 is about 1343.6134625806.

Adding to 2425621537 its reverse (7351265242), we get a palindrome (9776886779).

The spelling of 2425621537 in words is "two billion, four hundred twenty-five million, six hundred twenty-one thousand, five hundred thirty-seven".