1525379 has 4 divisors (see below), whose sum is σ = 1528176. Its totient is φ = 1522584.

The previous prime is 1525367. The next prime is 1525409. The reversal of 1525379 is 9735251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1525379 - 2⁸ = 1525123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (382044).

2^1525379 is an apocalyptic number.

1525379 is a deficient number, since it is larger than the sum of its proper divisors (2797).

1525379 is an equidigital number, since it uses as much as digits as its factorization.

1525379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its digits is 9450, while the sum is 32.

The square root of 1525379 is about 1235.0623466044. The cubic root of 1525379 is about 115.1134104895.

The spelling of 1525379 in words is "one million, five hundred twenty-five thousand, three hundred seventy-nine".