425515213 has 2 divisors, whose sum is σ = 425515214. Its totient is φ = 425515212.

The previous prime is 425515193. The next prime is 425515271. The reversal of 425515213 is 312515524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418529764 + 6985449 = 20458^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 425515213 - 2¹³ = 425507021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425515273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212757606 + 212757607.

It is an arithmetic number, because the mean of its divisors is an integer number (212757607).

Almost surely, 2^425515213 is an apocalyptic number.

It is an amenable number.

425515213 is a deficient number, since it is larger than the sum of its proper divisors (1).

425515213 is an equidigital number, since it uses as much as digits as its factorization.

425515213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 425515213 is about 20628.0200940371. The cubic root of 425515213 is about 752.1509883605.

The spelling of 425515213 in words is "four hundred twenty-five million, five hundred fifteen thousand, two hundred thirteen".