3256402030025 has 24 divisors (see below), whose sum is σ = 4256879637504. Its totient is φ = 2467445299200.

The previous prime is 3256402030001. The next prime is 3256402030039. The reversal of 3256402030025 is 5200302046523.

It is not a de Polignac number, because 3256402030025 - 2¹⁶ = 3256401964489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3256402029973 and 3256402030000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44663672 + ... + 44736521.

It is an arithmetic number, because the mean of its divisors is an integer number (177369984896).

Almost surely, 2^{3256402030025} is an apocalyptic number.

It is an amenable number.

3256402030025 is a deficient number, since it is larger than the sum of its proper divisors (1000477607479).

3256402030025 is a wasteful number, since it uses less digits than its factorization.

3256402030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89400281 (or 89400276 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 3256402030025 its reverse (5200302046523), we get a palindrome (8456704076548).

The spelling of 3256402030025 in words is "three trillion, two hundred fifty-six billion, four hundred two million, thirty thousand, twenty-five".