1532257 has 2 divisors, whose sum is σ = 1532258. Its totient is φ = 1532256.

The previous prime is 1532249. The next prime is 1532287. The reversal of 1532257 is 7522351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 564001 = 984^2 + 751^2 .

It is an emirp because it is prime and its reverse (7522351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1532257 - 2³ = 1532249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1532287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766128 + 766129.

It is an arithmetic number, because the mean of its divisors is an integer number (766129).

2^1532257 is an apocalyptic number.

It is an amenable number.

1532257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532257 is an equidigital number, since it uses as much as digits as its factorization.

1532257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 25.

The square root of 1532257 is about 1237.8436896474. The cubic root of 1532257 is about 115.2861682102.

The spelling of 1532257 in words is "one million, five hundred thirty-two thousand, two hundred fifty-seven".