997552000037 has 2 divisors, whose sum is σ = 997552000038. Its totient is φ = 997552000036.

The previous prime is 997551999973. The next prime is 997552000051. The reversal of 997552000037 is 730000255799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 979527863521 + 18024136516 = 989711^2 + 134254^2 .

It is a cyclic number.

It is not a de Polignac number, because 997552000037 - 2⁶ = 997551999973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 997551999955 and 997552000000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997552000057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498776000018 + 498776000019.

It is an arithmetic number, because the mean of its divisors is an integer number (498776000019).

Almost surely, 2^997552000037 is an apocalyptic number.

It is an amenable number.

997552000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

997552000037 is an equidigital number, since it uses as much as digits as its factorization.

997552000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 47.

The spelling of 997552000037 in words is "nine hundred ninety-seven billion, five hundred fifty-two million, thirty-seven", and thus it is an aban number.