1151589497 has 2 divisors, whose sum is σ = 1151589498. Its totient is φ = 1151589496.

The previous prime is 1151589451. The next prime is 1151589499. The reversal of 1151589497 is 7949851511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 987467776 + 164121721 = 31424^2 + 12811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151589497 - 2¹² = 1151585401 is a prime.

Together with 1151589499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1151589499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575794748 + 575794749.

It is an arithmetic number, because the mean of its divisors is an integer number (575794749).

Almost surely, 2^1151589497 is an apocalyptic number.

It is an amenable number.

1151589497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151589497 is an equidigital number, since it uses as much as digits as its factorization.

1151589497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 50.

The square root of 1151589497 is about 33935.0776778248. The cubic root of 1151589497 is about 1048.1720264317.

The spelling of 1151589497 in words is "one billion, one hundred fifty-one million, five hundred eighty-nine thousand, four hundred ninety-seven".