425005121553533 has 4 divisors (see below), whose sum is σ = 428904251109180. Its totient is φ = 421105991997888.

The previous prime is 425005121553527. The next prime is 425005121553583. The reversal of 425005121553533 is 335355121500524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253320233785369 + 171684887768164 = 15916037^2 + 13102858^2 .

It is a cyclic number.

It is not a de Polignac number, because 425005121553533 - 2¹⁰ = 425005121552509 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 (425005121553583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949564777660 + ... + 1949564777877.

It is an arithmetic number, because the mean of its divisors is an integer number (107226062777295).

Almost surely, 2^{425005121553533} is an apocalyptic number.

It is an amenable number.

425005121553533 is a deficient number, since it is larger than the sum of its proper divisors (3899129555647).

425005121553533 is a wasteful number, since it uses less digits than its factorization.

425005121553533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899129555646.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 425005121553533 in words is "four hundred twenty-five trillion, five billion, one hundred twenty-one million, five hundred fifty-three thousand, five hundred thirty-three".