101425663 has 4 divisors (see below), whose sum is σ = 101548840. Its totient is φ = 101302488.

The previous prime is 101425657. The next prime is 101425679. The reversal of 101425663 is 366524101.

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

It is a cyclic number.

It is not a de Polignac number, because 101425663 - 2⁵ = 101425631 is a prime.

It is a super-2 number, since 2×101425663² = 20574330229979138, 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 (101425603) 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, 60345 + ... + 62002.

It is an arithmetic number, because the mean of its divisors is an integer number (25387210).

Almost surely, 2^101425663 is an apocalyptic number.

101425663 is a deficient number, since it is larger than the sum of its proper divisors (123177).

101425663 is an equidigital number, since it uses as much as digits as its factorization.

101425663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123176.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 101425663 is about 10071.0308806994. The cubic root of 101425663 is about 466.3542637591.

Adding to 101425663 its reverse (366524101), we get a palindrome (467949764).

The spelling of 101425663 in words is "one hundred one million, four hundred twenty-five thousand, six hundred sixty-three".