1361525 has 12 divisors (see below), whose sum is σ = 1842144. Its totient is φ = 990000.

The previous prime is 1361497. The next prime is 1361533. The reversal of 1361525 is 5251631.

It is not a de Polignac number, because 1361525 - 2¹² = 1357429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361525.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2201 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (153512).

2^1361525 is an apocalyptic number.

It is an amenable number.

1361525 is a deficient number, since it is larger than the sum of its proper divisors (480619).

1361525 is a wasteful number, since it uses less digits than its factorization.

1361525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4967 counting only the distinct ones).

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

The square root of 1361525 is about 1166.8440341365. The cubic root of 1361525 is about 110.8345613271.

It can be divided in two parts, 136 and 1525, that added together give a palindrome (1661).

The spelling of 1361525 in words is "one million, three hundred sixty-one thousand, five hundred twenty-five".