425877531 has 8 divisors (see below), whose sum is σ = 571597824. Its totient is φ = 282037800.

The previous prime is 425877479. The next prime is 425877541. The reversal of 425877531 is 135778524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425877531 - 2¹⁵ = 425844763 is a prime.

It is a super-3 number, since 3×425877531³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (425877541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469611 + ... + 470516.

It is an arithmetic number, because the mean of its divisors is an integer number (71449728).

Almost surely, 2^425877531 is an apocalyptic number.

425877531 is a deficient number, since it is larger than the sum of its proper divisors (145720293).

425877531 is a wasteful number, since it uses less digits than its factorization.

425877531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940281.

The product of its digits is 235200, while the sum is 42.

The square root of 425877531 is about 20636.8004060707. The cubic root of 425877531 is about 752.3644084860.

The spelling of 425877531 in words is "four hundred twenty-five million, eight hundred seventy-seven thousand, five hundred thirty-one".