425400013 has 2 divisors, whose sum is σ = 425400014. Its totient is φ = 425400012.

The previous prime is 425399977. The next prime is 425400023. The reversal of 425400013 is 310004524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419553289 + 5846724 = 20483^2 + 2418^2 .

It is a cyclic number.

It is not a de Polignac number, because 425400013 - 2⁹ = 425399501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425400023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212700006 + 212700007.

It is an arithmetic number, because the mean of its divisors is an integer number (212700007).

Almost surely, 2^425400013 is an apocalyptic number.

It is an amenable number.

425400013 is a deficient number, since it is larger than the sum of its proper divisors (1).

425400013 is an equidigital number, since it uses as much as digits as its factorization.

425400013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 425400013 is about 20625.2275866231. The cubic root of 425400013 is about 752.0831054648.

Adding to 425400013 its reverse (310004524), we get a palindrome (735404537).

The spelling of 425400013 in words is "four hundred twenty-five million, four hundred thousand, thirteen".