425316523 has 16 divisors (see below), whose sum is σ = 469601280. Its totient is φ = 383394816.

The previous prime is 425316511. The next prime is 425316533. The reversal of 425316523 is 325613524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425316523 - 2²¹ = 423219371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425316503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59215 + ... + 66007.

It is an arithmetic number, because the mean of its divisors is an integer number (29350080).

Almost surely, 2^425316523 is an apocalyptic number.

425316523 is a deficient number, since it is larger than the sum of its proper divisors (44284757).

425316523 is a wasteful number, since it uses less digits than its factorization.

425316523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its digits is 21600, while the sum is 31.

The square root of 425316523 is about 20623.2035096393. The cubic root of 425316523 is about 752.0339003834.

The spelling of 425316523 in words is "four hundred twenty-five million, three hundred sixteen thousand, five hundred twenty-three".