525961667 has 16 divisors (see below), whose sum is σ = 690259200. Its totient is φ = 388268640.

The previous prime is 525961649. The next prime is 525961679. The reversal of 525961667 is 766169525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 525961667 - 2¹⁴ = 525945283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525961637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178292 + ... + 181217.

It is an arithmetic number, because the mean of its divisors is an integer number (43141200).

Almost surely, 2^525961667 is an apocalyptic number.

525961667 is a deficient number, since it is larger than the sum of its proper divisors (164297533).

525961667 is a wasteful number, since it uses less digits than its factorization.

525961667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359546.

The product of its digits is 680400, while the sum is 47.

The square root of 525961667 is about 22933.8541680198. The cubic root of 525961667 is about 807.2065879903.

The spelling of 525961667 in words is "five hundred twenty-five million, nine hundred sixty-one thousand, six hundred sixty-seven".