537679997 has 2 divisors, whose sum is σ = 537679998. Its totient is φ = 537679996.

The previous prime is 537679979. The next prime is 537679999. The reversal of 537679997 is 799976735.

Together with previous prime (537679979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537590596 + 89401 = 23186^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 537679997 - 2¹⁶ = 537614461 is a prime.

Together with 537679999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537679999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268839998 + 268839999.

It is an arithmetic number, because the mean of its divisors is an integer number (268839999).

Almost surely, 2^537679997 is an apocalyptic number.

It is an amenable number.

537679997 is a deficient number, since it is larger than the sum of its proper divisors (1).

537679997 is an equidigital number, since it uses as much as digits as its factorization.

537679997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22504230, while the sum is 62.

The square root of 537679997 is about 23187.9278289372. The cubic root of 537679997 is about 813.1574151278.

The spelling of 537679997 in words is "five hundred thirty-seven million, six hundred seventy-nine thousand, nine hundred ninety-seven".