8401425 has 12 divisors (see below), whose sum is σ = 13890480. Its totient is φ = 4480720.

The previous prime is 8401411. The next prime is 8401427. The reversal of 8401425 is 5241048.

It is not a de Polignac number, because 8401425 - 2⁴ = 8401409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8401395 and 8401404.

It is not an unprimeable number, because it can be changed into a prime (8401427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55935 + ... + 56084.

It is an arithmetic number, because the mean of its divisors is an integer number (1157540).

Almost surely, 2^8401425 is an apocalyptic number.

It is an amenable number.

8401425 is a deficient number, since it is larger than the sum of its proper divisors (5489055).

8401425 is a wasteful number, since it uses less digits than its factorization.

8401425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112032 (or 112027 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8401425 is about 2898.5211746682. The cubic root of 8401425 is about 203.2907656718.

The spelling of 8401425 in words is "eight million, four hundred one thousand, four hundred twenty-five".