1400525 has 24 divisors (see below), whose sum is σ = 2035584. Its totient is φ = 936000.

The previous prime is 1400507. The next prime is 1400527. The reversal of 1400525 is 5250041.

It is not a de Polignac number, because 1400525 - 2¹² = 1396429 is a prime.

It is a super-2 number, since 2×1400525² = 3922940551250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9200 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (84816).

2^1400525 is an apocalyptic number.

It is an amenable number.

1400525 is a deficient number, since it is larger than the sum of its proper divisors (635059).

1400525 is a wasteful number, since it uses less digits than its factorization.

1400525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1400525 is about 1183.4377888170. The cubic root of 1400525 is about 111.8828760723.

Adding to 1400525 its reverse (5250041), we get a palindrome (6650566).

The spelling of 1400525 in words is "one million, four hundred thousand, five hundred twenty-five".