105425998 has 4 divisors (see below), whose sum is σ = 158139000. Its totient is φ = 52712998.

The previous prime is 105425989. The next prime is 105426011. The reversal of 105425998 is 899524501.

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

It is a super-2 number, since 2×105425998² = 22229282108592008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26356498 + ... + 26356501.

It is an arithmetic number, because the mean of its divisors is an integer number (39534750).

Almost surely, 2^105425998 is an apocalyptic number.

105425998 is a deficient number, since it is larger than the sum of its proper divisors (52713002).

105425998 is an equidigital number, since it uses as much as digits as its factorization.

105425998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52713001.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 105425998 is about 10267.7162991583. The cubic root of 105425998 is about 472.4065460965.

The spelling of 105425998 in words is "one hundred five million, four hundred twenty-five thousand, nine hundred ninety-eight".