1525163 has 2 divisors, whose sum is σ = 1525164. Its totient is φ = 1525162.

The previous prime is 1525157. The next prime is 1525171. The reversal of 1525163 is 3615251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1525163 - 2⁶ = 1525099 is a prime.

It is a super-2 number, since 2×1525163² = 4652244353138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1525123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762581 + 762582.

It is an arithmetic number, because the mean of its divisors is an integer number (762582).

2^1525163 is an apocalyptic number.

1525163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525163 is an equidigital number, since it uses as much as digits as its factorization.

1525163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 1525163 is about 1234.9748985303. The cubic root of 1525163 is about 115.1079767207.

The spelling of 1525163 in words is "one million, five hundred twenty-five thousand, one hundred sixty-three".