2403521525 has 12 divisors (see below), whose sum is σ = 2988966432. Its totient is φ = 1917269040.

The previous prime is 2403521501. The next prime is 2403521531. The reversal of 2403521525 is 5251253042.

It is not a de Polignac number, because 2403521525 - 2⁸ = 2403521269 is a prime.

It is a super-2 number, since 2×2403521525² = 11553831442276651250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129857 + ... + 147206.

It is an arithmetic number, because the mean of its divisors is an integer number (249080536).

Almost surely, 2^2403521525 is an apocalyptic number.

2403521525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2403521525 is a deficient number, since it is larger than the sum of its proper divisors (585444907).

2403521525 is a wasteful number, since it uses less digits than its factorization.

2403521525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277420 (or 277415 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2403521525 is about 49025.7230951263. The cubic root of 2403521525 is about 1339.5204203839.

Adding to 2403521525 its reverse (5251253042), we get a palindrome (7654774567).

The spelling of 2403521525 in words is "two billion, four hundred three million, five hundred twenty-one thousand, five hundred twenty-five".