1523322061 has 2 divisors, whose sum is σ = 1523322062. Its totient is φ = 1523322060.

The previous prime is 1523322023. The next prime is 1523322067. The reversal of 1523322061 is 1602233251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1156408036 + 366914025 = 34006^2 + 19155^2 .

It is an emirp because it is prime and its reverse (1602233251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1523322061 - 2⁹ = 1523321549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1523322067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761661030 + 761661031.

It is an arithmetic number, because the mean of its divisors is an integer number (761661031).

Almost surely, 2^1523322061 is an apocalyptic number.

It is an amenable number.

1523322061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523322061 is an equidigital number, since it uses as much as digits as its factorization.

1523322061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1523322061 is about 39029.7586592590. The cubic root of 1523322061 is about 1150.6164460607.

The spelling of 1523322061 in words is "one billion, five hundred twenty-three million, three hundred twenty-two thousand, sixty-one".