1525365 has 16 divisors (see below), whose sum is σ = 2712000. Its totient is φ = 813456.

The previous prime is 1525357. The next prime is 1525367. The reversal of 1525365 is 5635251.

It is not a de Polignac number, because 1525365 - 2³ = 1525357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1525365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (169500).

2^1525365 is an apocalyptic number.

1525365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1525365 is a deficient number, since it is larger than the sum of its proper divisors (1186635).

1525365 is a wasteful number, since it uses less digits than its factorization.

1525365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313 (or 11307 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 1525365 is about 1235.0566788613. The cubic root of 1525365 is about 115.1130583164.

The spelling of 1525365 in words is "one million, five hundred twenty-five thousand, three hundred sixty-five".