2403525 has 24 divisors (see below), whose sum is σ = 4037440. Its totient is φ = 1261440.

The previous prime is 2403521. The next prime is 2403547. The reversal of 2403525 is 5253042.

It is not a de Polignac number, because 2403525 - 2² = 2403521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5256 + ... + 5694.

2^2403525 is an apocalyptic number.

2403525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2403525 is a deficient number, since it is larger than the sum of its proper divisors (1633915).

2403525 is a wasteful number, since it uses less digits than its factorization.

2403525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2403525 is about 1550.3306099023. The cubic root of 2403525 is about 133.9521065941.

Adding to 2403525 its reverse (5253042), we get a palindrome (7656567).

The spelling of 2403525 in words is "two million, four hundred three thousand, five hundred twenty-five".