1525039 has 2 divisors, whose sum is σ = 1525040. Its totient is φ = 1525038.

The previous prime is 1525033. The next prime is 1525049. The reversal of 1525039 is 9305251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1525039 - 2³ = 1525031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762519 + 762520.

It is an arithmetic number, because the mean of its divisors is an integer number (762520).

2^1525039 is an apocalyptic number.

1525039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525039 is an equidigital number, since it uses as much as digits as its factorization.

1525039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1525039 is about 1234.9246940603. The cubic root of 1525039 is about 115.1048571032.

The spelling of 1525039 in words is "one million, five hundred twenty-five thousand, thirty-nine".