2525303405 has 16 divisors (see below), whose sum is σ = 3062286000. Its totient is φ = 1999065600.

The previous prime is 2525303401. The next prime is 2525303413. The reversal of 2525303405 is 5043035252.

It can be written as a sum of positive squares in 8 ways, for example, as 878648164 + 1646655241 = 29642^2 + 40579^2 .

It is not a de Polignac number, because 2525303405 - 2² = 2525303401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525303401) 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, 194105 + ... + 206705.

It is an arithmetic number, because the mean of its divisors is an integer number (191392875).

Almost surely, 2^2525303405 is an apocalyptic number.

It is an amenable number.

2525303405 is a deficient number, since it is larger than the sum of its proper divisors (536982595).

2525303405 is a wasteful number, since it uses less digits than its factorization.

2525303405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13024.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 2525303405 is about 50252.3970075060. The cubic root of 2525303405 is about 1361.7723801184.

Adding to 2525303405 its reverse (5043035252), we get a palindrome (7568338657).

The spelling of 2525303405 in words is "two billion, five hundred twenty-five million, three hundred three thousand, four hundred five".