1525057 has 2 divisors, whose sum is σ = 1525058. Its totient is φ = 1525056.

The previous prime is 1525049. The next prime is 1525063. The reversal of 1525057 is 7505251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401856 + 123201 = 1184^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525057 - 2³ = 1525049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1525067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762528 + 762529.

It is an arithmetic number, because the mean of its divisors is an integer number (762529).

2^1525057 is an apocalyptic number.

It is an amenable number.

1525057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525057 is an equidigital number, since it uses as much as digits as its factorization.

1525057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1525057 is about 1234.9319819326. The cubic root of 1525057 is about 115.1053099614.

The spelling of 1525057 in words is "one million, five hundred twenty-five thousand, fifty-seven".