1520061089 has 2 divisors, whose sum is σ = 1520061090. Its totient is φ = 1520061088.

The previous prime is 1520061083. The next prime is 1520061097. The reversal of 1520061089 is 9801600251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1246654864 + 273406225 = 35308^2 + 16535^2 .

It is an emirp because it is prime and its reverse (9801600251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1520061089 - 2⁸ = 1520060833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1520061083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760030544 + 760030545.

It is an arithmetic number, because the mean of its divisors is an integer number (760030545).

Almost surely, 2^1520061089 is an apocalyptic number.

It is an amenable number.

1520061089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520061089 is an equidigital number, since it uses as much as digits as its factorization.

1520061089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1520061089 is about 38987.9608212587. The cubic root of 1520061089 is about 1149.7948188446.

The spelling of 1520061089 in words is "one billion, five hundred twenty million, sixty-one thousand, eighty-nine".