425420331401025 has 36 divisors (see below), whose sum is σ = 761977392022080. Its totient is φ = 226890155704800.

The previous prime is 425420331400991. The next prime is 425420331401057. The reversal of 425420331401025 is 520104133024524.

It is a happy number.

425420331401025 is a `hidden beast` number, since 4 + 2 + 542 + 0 + 3 + 3 + 1 + 4 + 0 + 102 + 5 = 666.

It is not a de Polignac number, because 425420331401025 - 2⁹ = 425420331400513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76393060 + ... + 81772490.

It is an arithmetic number, because the mean of its divisors is an integer number (21166038667280).

Almost surely, 2^{425420331401025} is an apocalyptic number.

425420331401025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425420331401025 is a deficient number, since it is larger than the sum of its proper divisors (336557060621055).

425420331401025 is a wasteful number, since it uses less digits than its factorization.

425420331401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730926 (or 5730918 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 425420331401025 its reverse (520104133024524), we get a palindrome (945524464425549).

The spelling of 425420331401025 in words is "four hundred twenty-five trillion, four hundred twenty billion, three hundred thirty-one million, four hundred one thousand, twenty-five".