1262625097 has 2 divisors, whose sum is σ = 1262625098. Its totient is φ = 1262625096.

The previous prime is 1262625079. The next prime is 1262625109. The reversal of 1262625097 is 7905262621.

Together with previous prime (1262625079) 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., 1260179001 + 2446096 = 35499^2 + 1564^2 .

It is an emirp because it is prime and its reverse (7905262621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1262625097 - 2¹¹ = 1262623049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262625197) 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, 631312548 + 631312549.

It is an arithmetic number, because the mean of its divisors is an integer number (631312549).

Almost surely, 2^1262625097 is an apocalyptic number.

It is an amenable number.

1262625097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262625097 is an equidigital number, since it uses as much as digits as its factorization.

1262625097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1262625097 is about 35533.4363241159. The cubic root of 1262625097 is about 1080.8318628138.

The spelling of 1262625097 in words is "one billion, two hundred sixty-two million, six hundred twenty-five thousand, ninety-seven".