425501530 has 8 divisors (see below), whose sum is σ = 765902772. Its totient is φ = 170200608.

The previous prime is 425501507. The next prime is 425501539. The reversal of 425501530 is 35105524.

It can be written as a sum of positive squares in 2 ways, for example, as 372837481 + 52664049 = 19309^2 + 7257^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 425501495 and 425501504.

It is not an unprimeable number, because it can be changed into a prime (425501539) 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, 21275067 + ... + 21275086.

Almost surely, 2^425501530 is an apocalyptic number.

425501530 is a deficient number, since it is larger than the sum of its proper divisors (340401242).

425501530 is a wasteful number, since it uses less digits than its factorization.

425501530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42550160.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 425501530 is about 20627.6884308446. The cubic root of 425501530 is about 752.1429261401.

The spelling of 425501530 in words is "four hundred twenty-five million, five hundred one thousand, five hundred thirty".