1353522973 has 4 divisors (see below), whose sum is σ = 1476570528. Its totient is φ = 1230475420.

The previous prime is 1353522943. The next prime is 1353522991. The reversal of 1353522973 is 3792253531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1353522973 - 2⁹ = 1353522461 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 1353 and 522973 contains 1353522973 itself.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353522943) 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, 61523761 + ... + 61523782.

It is an arithmetic number, because the mean of its divisors is an integer number (369142632).

Almost surely, 2^1353522973 is an apocalyptic number.

It is an amenable number.

1353522973 is a deficient number, since it is larger than the sum of its proper divisors (123047555).

1353522973 is a wasteful number, since it uses less digits than its factorization.

1353522973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123047554.

The product of its digits is 170100, while the sum is 40.

The square root of 1353522973 is about 36790.2564954364. The cubic root of 1353522973 is about 1106.1700029271.

The spelling of 1353522973 in words is "one billion, three hundred fifty-three million, five hundred twenty-two thousand, nine hundred seventy-three".