105425389 has 8 divisors (see below), whose sum is σ = 110672640. Its totient is φ = 100293600.

The previous prime is 105425377. The next prime is 105425407. The reversal of 105425389 is 983524501.

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

It is a cyclic number.

It is not a de Polignac number, because 105425389 - 2¹⁵ = 105392621 is a prime.

It is a super-2 number, since 2×105425389² = 22229025291602642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105425339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26992 + ... + 30649.

It is an arithmetic number, because the mean of its divisors is an integer number (13834080).

Almost surely, 2^105425389 is an apocalyptic number.

It is an amenable number.

105425389 is a deficient number, since it is larger than the sum of its proper divisors (5247251).

105425389 is an equidigital number, since it uses as much as digits as its factorization.

105425389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57731.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 105425389 is about 10267.6866430565. The cubic root of 105425389 is about 472.4056364659.

It can be divided in two parts, 10542 and 5389, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 105425389 in words is "one hundred five million, four hundred twenty-five thousand, three hundred eighty-nine".