3520450025401 has 4 divisors (see below), whose sum is σ = 3562865086032. Its totient is φ = 3478034964772.

The previous prime is 3520450025383. The next prime is 3520450025413. The reversal of 3520450025401 is 1045200540253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3520450025401 - 2⁷ = 3520450025273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520450095401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21207530191 + ... + 21207530356.

It is an arithmetic number, because the mean of its divisors is an integer number (890716271508).

Almost surely, 2^{3520450025401} is an apocalyptic number.

It is an amenable number.

3520450025401 is a deficient number, since it is larger than the sum of its proper divisors (42415060631).

3520450025401 is an equidigital number, since it uses as much as digits as its factorization.

3520450025401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42415060630.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 3520450025401 its reverse (1045200540253), we get a palindrome (4565650565654).

The spelling of 3520450025401 in words is "three trillion, five hundred twenty billion, four hundred fifty million, twenty-five thousand, four hundred one".