69425861 has 4 divisors (see below), whose sum is σ = 69445152. Its totient is φ = 69406572.

The previous prime is 69425803. The next prime is 69425879. The reversal of 69425861 is 16852496.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69425861 - 2¹⁴ = 69409477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69425561) 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, 2465 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (17361288).

Almost surely, 2^69425861 is an apocalyptic number.

It is an amenable number.

69425861 is a deficient number, since it is larger than the sum of its proper divisors (19291).

69425861 is a wasteful number, since it uses less digits than its factorization.

69425861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290.

The product of its digits is 103680, while the sum is 41.

The square root of 69425861 is about 8332.2182520623. The cubic root of 69425861 is about 410.9986778787.

The spelling of 69425861 in words is "sixty-nine million, four hundred twenty-five thousand, eight hundred sixty-one".