525780353 has 8 divisors (see below), whose sum is σ = 621612480. Its totient is φ = 435128400.

The previous prime is 525780341. The next prime is 525780361. The reversal of 525780353 is 353087525.

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

It is not a de Polignac number, because 525780353 - 2¹⁸ = 525518209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (525780653) 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, 1294823 + ... + 1295228.

It is an arithmetic number, because the mean of its divisors is an integer number (77701560).

Almost surely, 2^525780353 is an apocalyptic number.

It is an amenable number.

525780353 is a deficient number, since it is larger than the sum of its proper divisors (95832127).

525780353 is a wasteful number, since it uses less digits than its factorization.

525780353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590087.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 525780353 is about 22929.9008501999. The cubic root of 525780353 is about 807.1138216123.

The spelling of 525780353 in words is "five hundred twenty-five million, seven hundred eighty thousand, three hundred fifty-three".