69000025 has 24 divisors (see below), whose sum is σ = 91199520. Its totient is φ = 51605760.

The previous prime is 68999981. The next prime is 69000047. The reversal of 69000025 is 52000096.

It is not a de Polignac number, because 69000025 - 2⁷ = 68999897 is a prime.

It is a super-2 number, since 2×69000025² = 9522006900001250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75622 + ... + 76528.

It is an arithmetic number, because the mean of its divisors is an integer number (3799980).

Almost surely, 2^69000025 is an apocalyptic number.

It is an amenable number.

69000025 is a deficient number, since it is larger than the sum of its proper divisors (22199495).

69000025 is a wasteful number, since it uses less digits than its factorization.

69000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 69000025 is about 8306.6253677411. The cubic root of 69000025 is about 410.1566425060.

Adding to 69000025 its reverse (52000096), we get a palindrome (121000121).

The spelling of 69000025 in words is "sixty-nine million, twenty-five", and thus it is an aban number and an uban number.