425244101 has 4 divisors (see below), whose sum is σ = 426254604. Its totient is φ = 424233600.

The previous prime is 425244091. The next prime is 425244107. The reversal of 425244101 is 101442524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10144225 + 415099876 = 3185^2 + 20374^2 .

It is a cyclic number.

It is not a de Polignac number, because 425244101 - 2¹⁸ = 424981957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425244107) 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, 504620 + ... + 505461.

It is an arithmetic number, because the mean of its divisors is an integer number (106563651).

Almost surely, 2^425244101 is an apocalyptic number.

It is an amenable number.

425244101 is a deficient number, since it is larger than the sum of its proper divisors (1010503).

425244101 is a wasteful number, since it uses less digits than its factorization.

425244101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010502.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 425244101 is about 20621.4475971014. The cubic root of 425244101 is about 751.9912130452.

Adding to 425244101 its reverse (101442524), we get a palindrome (526686625).

The spelling of 425244101 in words is "four hundred twenty-five million, two hundred forty-four thousand, one hundred one".