525742067 has 4 divisors (see below), whose sum is σ = 530947536. Its totient is φ = 520536600.

The previous prime is 525742043. The next prime is 525742109. The reversal of 525742067 is 760247525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525742067 - 2¹⁶ = 525676531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525742067.

It is not an unprimeable number, because it can be changed into a prime (525744067) 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, 2602583 + ... + 2602784.

It is an arithmetic number, because the mean of its divisors is an integer number (132736884).

Almost surely, 2^525742067 is an apocalyptic number.

525742067 is a deficient number, since it is larger than the sum of its proper divisors (5205469).

525742067 is a wasteful number, since it uses less digits than its factorization.

525742067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205468.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 525742067 is about 22929.0659862106. The cubic root of 525742067 is about 807.0942304721.

The spelling of 525742067 in words is "five hundred twenty-five million, seven hundred forty-two thousand, sixty-seven".