1061532514249 has 3 divisors (see below), whose sum is σ = 1061533544557. Its totient is φ = 1061531483942.

The previous prime is 1061532514201. The next prime is 1061532514279. The reversal of 1061532514249 is 9424152351601.

It is a happy number.

The square root of 1061532514249 is 1030307.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1061532514249 - 2²⁵ = 1061498959817 is a prime.

It is a super-2 number, since 2×1061532514249² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061532514279) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 515154 + ... + 1545460.

Almost surely, 2^{1061532514249} is an apocalyptic number.

1061532514249 is the 1030307-th square number.

1061532514249 is the 515154-th centered octagonal number.

It is an amenable number.

1061532514249 is a deficient number, since it is larger than the sum of its proper divisors (1030308).

1061532514249 is an frugal number, since it uses more digits than its factorization.

1061532514249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060614 (or 1030307 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1061532514249 in words is "one trillion, sixty-one billion, five hundred thirty-two million, five hundred fourteen thousand, two hundred forty-nine".