425529441 has 12 divisors (see below), whose sum is σ = 635848980. Its totient is φ = 273903840.

The previous prime is 425529439. The next prime is 425529443. The reversal of 425529441 is 144925524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425529439) and next prime (425529443).

It can be written as a sum of positive squares in 2 ways, for example, as 89870400 + 335659041 = 9480^2 + 18321^2 .

It is not a de Polignac number, because 425529441 - 2¹ = 425529439 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 425529396 and 425529405.

It is not an unprimeable number, because it can be changed into a prime (425529443) 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, 814930 + ... + 815451.

It is an arithmetic number, because the mean of its divisors is an integer number (52987415).

Almost surely, 2^425529441 is an apocalyptic number.

It is an amenable number.

425529441 is a deficient number, since it is larger than the sum of its proper divisors (210319539).

425529441 is a wasteful number, since it uses less digits than its factorization.

425529441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630416 (or 1630413 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 425529441 is about 20628.3649618674. The cubic root of 425529441 is about 752.1593715194.

The spelling of 425529441 in words is "four hundred twenty-five million, five hundred twenty-nine thousand, four hundred forty-one".