425540141 has 24 divisors (see below), whose sum is σ = 494824680. Its totient is φ = 364455936.

The previous prime is 425540123. The next prime is 425540147. The reversal of 425540141 is 141045524.

It can be written as a sum of positive squares in 12 ways, for example, as 26739241 + 398800900 = 5171^2 + 19970^2 .

It is not a de Polignac number, because 425540141 - 2⁶ = 425540077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425540141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425540147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208715 + ... + 210743.

It is an arithmetic number, because the mean of its divisors is an integer number (20617695).

Almost surely, 2^425540141 is an apocalyptic number.

It is an amenable number.

425540141 is a deficient number, since it is larger than the sum of its proper divisors (69284539).

425540141 is a wasteful number, since it uses less digits than its factorization.

425540141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 425540141 is about 20628.6243118634. The cubic root of 425540141 is about 752.1656758524.

Adding to 425540141 its reverse (141045524), we get a palindrome (566585665).

The spelling of 425540141 in words is "four hundred twenty-five million, five hundred forty thousand, one hundred forty-one".