425400111 has 36 divisors (see below), whose sum is σ = 647010000. Its totient is φ = 269305344.

The previous prime is 425400091. The next prime is 425400113. The reversal of 425400111 is 111004524.

It is not a de Polignac number, because 425400111 - 2¹⁹ = 424875823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425400113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 947215 + ... + 947663.

It is an arithmetic number, because the mean of its divisors is an integer number (17972500).

Almost surely, 2^425400111 is an apocalyptic number.

425400111 is a deficient number, since it is larger than the sum of its proper divisors (221609889).

425400111 is a wasteful number, since it uses less digits than its factorization.

425400111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 425400111 is about 20625.2299623544. The cubic root of 425400111 is about 752.0831632176.

Adding to 425400111 its reverse (111004524), we get a palindrome (536404635).

The spelling of 425400111 in words is "four hundred twenty-five million, four hundred thousand, one hundred eleven".