1432561289 has 2 divisors, whose sum is σ = 1432561290. Its totient is φ = 1432561288.

The previous prime is 1432561223. The next prime is 1432561307. The reversal of 1432561289 is 9821652341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965655625 + 466905664 = 31075^2 + 21608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1432561289 - 2²⁰ = 1431512713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1432561489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716280644 + 716280645.

It is an arithmetic number, because the mean of its divisors is an integer number (716280645).

Almost surely, 2^1432561289 is an apocalyptic number.

It is an amenable number.

1432561289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432561289 is an equidigital number, since it uses as much as digits as its factorization.

1432561289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 1432561289 is about 37849.1913916268. The cubic root of 1432561289 is about 1127.2954059345.

The spelling of 1432561289 in words is "one billion, four hundred thirty-two million, five hundred sixty-one thousand, two hundred eighty-nine".