1061603453 has 4 divisors (see below), whose sum is σ = 1061719260. Its totient is φ = 1061487648.

The previous prime is 1061603443. The next prime is 1061603531. The reversal of 1061603453 is 3543061601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3543061601 = 5923 ⋅598187.

It can be written as a sum of positive squares in 2 ways, for example, as 805027129 + 256576324 = 28373^2 + 16018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061603453 is a prime.

It is a super-2 number, since 2×1061603453² = 2254003782843046418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061603443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42848 + ... + 62921.

It is an arithmetic number, because the mean of its divisors is an integer number (265429815).

Almost surely, 2^1061603453 is an apocalyptic number.

It is an amenable number.

1061603453 is a deficient number, since it is larger than the sum of its proper divisors (115807).

1061603453 is a wasteful number, since it uses less digits than its factorization.

1061603453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115806.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1061603453 is about 32582.2567204913. The cubic root of 1061603453 is about 1020.1266832914.

The spelling of 1061603453 in words is "one billion, sixty-one million, six hundred three thousand, four hundred fifty-three".