2045020037 has 2 divisors, whose sum is σ = 2045020038. Its totient is φ = 2045020036.

The previous prime is 2045019983. The next prime is 2045020067. The reversal of 2045020037 is 7300205402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2043582436 + 1437601 = 45206^2 + 1199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045020037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045019994 and 2045020021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045020067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022510018 + 1022510019.

It is an arithmetic number, because the mean of its divisors is an integer number (1022510019).

Almost surely, 2^2045020037 is an apocalyptic number.

It is an amenable number.

2045020037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045020037 is an equidigital number, since it uses as much as digits as its factorization.

2045020037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2045020037 is about 45221.8977598243. The cubic root of 2045020037 is about 1269.3046055597.

Adding to 2045020037 its reverse (7300205402), we get a palindrome (9345225439).

The spelling of 2045020037 in words is "two billion, forty-five million, twenty thousand, thirty-seven".