1551082097 has 2 divisors, whose sum is σ = 1551082098. Its totient is φ = 1551082096.

The previous prime is 1551082067. The next prime is 1551082177. The reversal of 1551082097 is 7902801551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1506138481 + 44943616 = 38809^2 + 6704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551082097 - 2⁶ = 1551082033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1551082097.

It is not a weakly prime, because it can be changed into another prime (1551082067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775541048 + 775541049.

It is an arithmetic number, because the mean of its divisors is an integer number (775541049).

Almost surely, 2^1551082097 is an apocalyptic number.

It is an amenable number.

1551082097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551082097 is an equidigital number, since it uses as much as digits as its factorization.

1551082097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 1551082097 is about 39383.7796180103. The cubic root of 1551082097 is about 1157.5637775052.

The spelling of 1551082097 in words is "one billion, five hundred fifty-one million, eighty-two thousand, ninety-seven".