151097693 has 2 divisors, whose sum is σ = 151097694. Its totient is φ = 151097692.

The previous prime is 151097641. The next prime is 151097719. The reversal of 151097693 is 396790151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148913209 + 2184484 = 12203^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 151097693 - 2⁶ = 151097629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151097693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151097623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75548846 + 75548847.

It is an arithmetic number, because the mean of its divisors is an integer number (75548847).

Almost surely, 2^151097693 is an apocalyptic number.

It is an amenable number.

151097693 is a deficient number, since it is larger than the sum of its proper divisors (1).

151097693 is an equidigital number, since it uses as much as digits as its factorization.

151097693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 151097693 is about 12292.1801565060. The cubic root of 151097693 is about 532.6222167987.

The spelling of 151097693 in words is "one hundred fifty-one million, ninety-seven thousand, six hundred ninety-three".