425132221001 has 16 divisors (see below), whose sum is σ = 441661973760. Its totient is φ = 408911268480.

The previous prime is 425132220979. The next prime is 425132221027. The reversal of 425132221001 is 100122231524.

It is a cyclic number.

It is not a de Polignac number, because 425132221001 - 2¹⁴ = 425132204617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425132221051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116151 + ... + 2308323.

It is an arithmetic number, because the mean of its divisors is an integer number (27603873360).

Almost surely, 2^425132221001 is an apocalyptic number.

425132221001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

425132221001 is a deficient number, since it is larger than the sum of its proper divisors (16529752759).

425132221001 is a wasteful number, since it uses less digits than its factorization.

425132221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192976.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 425132221001 its reverse (100122231524), we get a palindrome (525254452525).

The spelling of 425132221001 in words is "four hundred twenty-five billion, one hundred thirty-two million, two hundred twenty-one thousand, one".