1520061097 has 2 divisors, whose sum is σ = 1520061098. Its totient is φ = 1520061096.

The previous prime is 1520061089. The next prime is 1520061107. The reversal of 1520061097 is 7901600251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463751081 + 56310016 = 38259^2 + 7504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1520061097 - 2³ = 1520061089 is a prime.

It is a super-2 number, since 2×1520061097² = 4621171477225686818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1520061017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760030548 + 760030549.

It is an arithmetic number, because the mean of its divisors is an integer number (760030549).

Almost surely, 2^1520061097 is an apocalyptic number.

It is an amenable number.

1520061097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520061097 is an equidigital number, since it uses as much as digits as its factorization.

1520061097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1520061097 is about 38987.9609238544. The cubic root of 1520061097 is about 1149.7948208617.

The spelling of 1520061097 in words is "one billion, five hundred twenty million, sixty-one thousand, ninety-seven".