106403951 has 2 divisors, whose sum is σ = 106403952. Its totient is φ = 106403950.

The previous prime is 106403923. The next prime is 106403953. The reversal of 106403951 is 159304601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106403951 - 2¹⁰ = 106402927 is a prime.

It is a super-2 number, since 2×106403951² = 22643601576820802, which contains 22 as substring.

Together with 106403953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106403953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53201975 + 53201976.

It is an arithmetic number, because the mean of its divisors is an integer number (53201976).

Almost surely, 2^106403951 is an apocalyptic number.

106403951 is a deficient number, since it is larger than the sum of its proper divisors (1).

106403951 is an equidigital number, since it uses as much as digits as its factorization.

106403951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 106403951 is about 10315.2290813147. The cubic root of 106403951 is about 473.8627656740.

The spelling of 106403951 in words is "one hundred six million, four hundred three thousand, nine hundred fifty-one".