101430425 has 6 divisors (see below), whose sum is σ = 125773758. Its totient is φ = 81144320.

The previous prime is 101430403. The next prime is 101430451. The reversal of 101430425 is 524034101.

It can be written as a sum of positive squares in 3 ways, for example, as 1190281 + 100240144 = 1091^2 + 10012^2 .

It is not a de Polignac number, because 101430425 - 2¹⁸ = 101168281 is a prime.

It is a super-2 number, since 2×101430425² = 20576262231361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101430397 and 101430406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2028584 + ... + 2028633.

It is an arithmetic number, because the mean of its divisors is an integer number (20962293).

Almost surely, 2^101430425 is an apocalyptic number.

It is an amenable number.

101430425 is a deficient number, since it is larger than the sum of its proper divisors (24343333).

101430425 is an equidigital number, since it uses as much as digits as its factorization.

101430425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057227 (or 4057222 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 101430425 is about 10071.2672986075. The cubic root of 101430425 is about 466.3615621889.

Adding to 101430425 its reverse (524034101), we get a palindrome (625464526).

The spelling of 101430425 in words is "one hundred one million, four hundred thirty thousand, four hundred twenty-five".