1061572609 has 2 divisors, whose sum is σ = 1061572610. Its totient is φ = 1061572608.

The previous prime is 1061572601. The next prime is 1061572627. The reversal of 1061572609 is 9062751601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702091009 + 359481600 = 26497^2 + 18960^2 .

It is an emirp because it is prime and its reverse (9062751601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061572609 - 2³ = 1061572601 is a prime.

It is a super-2 number, since 2×1061572609² = 2253872808358133762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061572601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530786304 + 530786305.

It is an arithmetic number, because the mean of its divisors is an integer number (530786305).

Almost surely, 2^1061572609 is an apocalyptic number.

It is an amenable number.

1061572609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061572609 is an equidigital number, since it uses as much as digits as its factorization.

1061572609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1061572609 is about 32581.7833919508. The cubic root of 1061572609 is about 1020.1168035533.

The spelling of 1061572609 in words is "one billion, sixty-one million, five hundred seventy-two thousand, six hundred nine".