197262072551 has 2 divisors, whose sum is σ = 197262072552. Its totient is φ = 197262072550.

The previous prime is 197262072547. The next prime is 197262072571. The reversal of 197262072551 is 155270262791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197262072551 - 2² = 197262072547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197262072496 and 197262072505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197262072571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98631036275 + 98631036276.

It is an arithmetic number, because the mean of its divisors is an integer number (98631036276).

Almost surely, 2^197262072551 is an apocalyptic number.

197262072551 is a deficient number, since it is larger than the sum of its proper divisors (1).

197262072551 is an equidigital number, since it uses as much as digits as its factorization.

197262072551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 197262072551 in words is "one hundred ninety-seven billion, two hundred sixty-two million, seventy-two thousand, five hundred fifty-one".