69525057 has 8 divisors (see below), whose sum is σ = 105942976. Its totient is φ = 39728592.

The previous prime is 69525037. The next prime is 69525059. The reversal of 69525057 is 75052596.

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

It is not a de Polignac number, because 69525057 - 2⁸ = 69524801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69525059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655338 + ... + 1655379.

It is an arithmetic number, because the mean of its divisors is an integer number (13242872).

Almost surely, 2^69525057 is an apocalyptic number.

It is an amenable number.

69525057 is a deficient number, since it is larger than the sum of its proper divisors (36417919).

69525057 is a wasteful number, since it uses less digits than its factorization.

69525057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310727.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 69525057 is about 8338.1686838298. The cubic root of 69525057 is about 411.1943303463.

It can be divided in two parts, 695 and 25057, that added together give a palindrome (25752).

The spelling of 69525057 in words is "sixty-nine million, five hundred twenty-five thousand, fifty-seven".