2563440037 has 2 divisors, whose sum is σ = 2563440038. Its totient is φ = 2563440036.

The previous prime is 2563439993. The next prime is 2563440067. The reversal of 2563440037 is 7300443652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2357976481 + 205463556 = 48559^2 + 14334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2563440037 is a prime.

It is a super-2 number, since 2×2563440037² = 13142449646589122738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2563439984 and 2563440011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563440067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281720018 + 1281720019.

It is an arithmetic number, because the mean of its divisors is an integer number (1281720019).

Almost surely, 2^2563440037 is an apocalyptic number.

It is an amenable number.

2563440037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563440037 is an equidigital number, since it uses as much as digits as its factorization.

2563440037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 2563440037 is about 50630.4260005780. The cubic root of 2563440037 is about 1368.5932310545.

Adding to 2563440037 its reverse (7300443652), we get a palindrome (9863883689).

The spelling of 2563440037 in words is "two billion, five hundred sixty-three million, four hundred forty thousand, thirty-seven".