505980037 has 2 divisors, whose sum is σ = 505980038. Its totient is φ = 505980036.

The previous prime is 505980031. The next prime is 505980053. The reversal of 505980037 is 730089505.

It is a Cunningham number, because it is equal to 22494²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505980036 + 1 = 22494^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 505980037 - 2²⁷ = 371762309 is a prime.

It is a Chen prime.

It is equal to p_26653825 and since 505980037 and 26653825 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 505979978 and 505980005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505980031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252990018 + 252990019.

It is an arithmetic number, because the mean of its divisors is an integer number (252990019).

Almost surely, 2^505980037 is an apocalyptic number.

It is an amenable number.

505980037 is a deficient number, since it is larger than the sum of its proper divisors (1).

505980037 is an equidigital number, since it uses as much as digits as its factorization.

505980037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 505980037 is about 22494.0000222281. Note that the first 4 decimals coincide. The cubic root of 505980037 is about 796.8522333047.

The spelling of 505980037 in words is "five hundred five million, nine hundred eighty thousand, thirty-seven".