6425442 has 12 divisors (see below), whose sum is σ = 13921830. Its totient is φ = 2141808.

The previous prime is 6425423. The next prime is 6425467. The reversal of 6425442 is 2445246.

It can be written as a sum of positive squares in only one way, i.e., 5239521 + 1185921 = 2289^2 + 1089^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178467 + ... + 178502.

Almost surely, 2^6425442 is an apocalyptic number.

6425442 is an abundant number, since it is smaller than the sum of its proper divisors (7496388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6425442 is a wasteful number, since it uses less digits than its factorization.

6425442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356977 (or 356974 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 6425442 is about 2534.8455574255. The cubic root of 6425442 is about 185.9092516039.

It can be divided in two parts, 642 and 5442, that added together give a square (6084 = 78²).

The spelling of 6425442 in words is "six million, four hundred twenty-five thousand, four hundred forty-two".