32405025413 has 2 divisors, whose sum is σ = 32405025414. Its totient is φ = 32405025412.

The previous prime is 32405025397. The next prime is 32405025479. The reversal of 32405025413 is 31452050423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17645934244 + 14759091169 = 132838^2 + 121487^2 .

It is a cyclic number.

It is not a de Polignac number, because 32405025413 - 2⁴ = 32405025397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32405024413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16202512706 + 16202512707.

It is an arithmetic number, because the mean of its divisors is an integer number (16202512707).

Almost surely, 2^32405025413 is an apocalyptic number.

It is an amenable number.

32405025413 is a deficient number, since it is larger than the sum of its proper divisors (1).

32405025413 is an equidigital number, since it uses as much as digits as its factorization.

32405025413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 32405025413 its reverse (31452050423), we get a palindrome (63857075836).

The spelling of 32405025413 in words is "thirty-two billion, four hundred five million, twenty-five thousand, four hundred thirteen".