1147552493 has 2 divisors, whose sum is σ = 1147552494. Its totient is φ = 1147552492.

The previous prime is 1147552477. The next prime is 1147552529. The reversal of 1147552493 is 3942557411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793999684 + 353552809 = 28178^2 + 18803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147552493 - 2⁴ = 1147552477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147552493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147552433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573776246 + 573776247.

It is an arithmetic number, because the mean of its divisors is an integer number (573776247).

Almost surely, 2^1147552493 is an apocalyptic number.

It is an amenable number.

1147552493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147552493 is an equidigital number, since it uses as much as digits as its factorization.

1147552493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 1147552493 is about 33875.5441727509. The cubic root of 1147552493 is about 1046.9457709139.

The spelling of 1147552493 in words is "one billion, one hundred forty-seven million, five hundred fifty-two thousand, four hundred ninety-three".