525350665 has 24 divisors (see below), whose sum is σ = 760415040. Its totient is φ = 341272224.

The previous prime is 525350663. The next prime is 525350699. The reversal of 525350665 is 566053525.

It is not a de Polignac number, because 525350665 - 2¹ = 525350663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525350663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8155 + ... + 33424.

It is an arithmetic number, because the mean of its divisors is an integer number (31683960).

Almost surely, 2^525350665 is an apocalyptic number.

It is an amenable number.

525350665 is a deficient number, since it is larger than the sum of its proper divisors (235064375).

525350665 is a wasteful number, since it uses less digits than its factorization.

525350665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41629 (or 41610 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 525350665 is about 22920.5293350743. The cubic root of 525350665 is about 806.8938935001.

The spelling of 525350665 in words is "five hundred twenty-five million, three hundred fifty thousand, six hundred sixty-five".