1525031 has 2 divisors, whose sum is σ = 1525032. Its totient is φ = 1525030.

The previous prime is 1525021. The next prime is 1525033. The reversal of 1525031 is 1305251.

It is a strong prime.

It is an emirp because it is prime and its reverse (1305251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1525031 - 2¹⁰ = 1524007 is a prime.

It is a super-2 number, since 2×1525031² = 4651439101922, which contains 22 as substring.

Together with 1525033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762515 + 762516.

It is an arithmetic number, because the mean of its divisors is an integer number (762516).

2^1525031 is an apocalyptic number.

1525031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525031 is an equidigital number, since it uses as much as digits as its factorization.

1525031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1525031 is about 1234.9214549922. The cubic root of 1525031 is about 115.1046558317.

The spelling of 1525031 in words is "one million, five hundred twenty-five thousand, thirty-one".