425321525 has 12 divisors (see below), whose sum is σ = 527756772. Its totient is φ = 340026240.

The previous prime is 425321503. The next prime is 425321527. The reversal of 425321525 is 525123524.

It can be written as a sum of positive squares in 6 ways, for example, as 14002564 + 411318961 = 3742^2 + 20281^2 .

It is not a de Polignac number, because 425321525 - 2⁸ = 425321269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425321527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38417 + ... + 48233.

It is an arithmetic number, because the mean of its divisors is an integer number (43979731).

Almost surely, 2^425321525 is an apocalyptic number.

It is an amenable number.

425321525 is a deficient number, since it is larger than the sum of its proper divisors (102435247).

425321525 is a wasteful number, since it uses less digits than its factorization.

425321525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11560 (or 11555 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 425321525 is about 20623.3247804519. The cubic root of 425321525 is about 752.0368485084.

The spelling of 425321525 in words is "four hundred twenty-five million, three hundred twenty-one thousand, five hundred twenty-five".