561430525 has 48 divisors (see below), whose sum is σ = 781824960. Its totient is φ = 397440000.

The previous prime is 561430523. The next prime is 561430547. The reversal of 561430525 is 525034165.

It is not a de Polignac number, because 561430525 - 2¹ = 561430523 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561430523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2026687 + ... + 2026963.

It is an arithmetic number, because the mean of its divisors is an integer number (16288020).

Almost surely, 2^561430525 is an apocalyptic number.

It is an amenable number.

561430525 is a deficient number, since it is larger than the sum of its proper divisors (220394435).

561430525 is a wasteful number, since it uses less digits than its factorization.

561430525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 561430525 is about 23694.5252115336. The cubic root of 561430525 is about 824.9583205145.

The spelling of 561430525 in words is "five hundred sixty-one million, four hundred thirty thousand, five hundred twenty-five".