1523089 has 2 divisors, whose sum is σ = 1523090. Its totient is φ = 1523088.

The previous prime is 1523087. The next prime is 1523099. The reversal of 1523089 is 9803251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 330625 = 1092^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1523089 - 2¹ = 1523087 is a prime.

Together with 1523087, it forms a pair of twin primes.

It is a Chen prime.

1523089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1523087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761544 + 761545.

It is an arithmetic number, because the mean of its divisors is an integer number (761545).

2^1523089 is an apocalyptic number.

It is an amenable number.

1523089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523089 is an equidigital number, since it uses as much as digits as its factorization.

1523089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1523089 is about 1234.1349196907. The cubic root of 1523089 is about 115.0557763461.

It can be divided in two parts, 15 and 23089, that added together give a square (23104 = 152²).

The spelling of 1523089 in words is "one million, five hundred twenty-three thousand, eighty-nine".