42948925 has 6 divisors (see below), whose sum is σ = 53256698. Its totient is φ = 34359120.

The previous prime is 42948901. The next prime is 42948967. The reversal of 42948925 is 52984924.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12068676 + 30880249 = 3474^2 + 5557^2 .

It is not a de Polignac number, because 42948925 - 2⁹ = 42948413 is a prime.

It is a super-2 number, since 2×42948925² = 3689220317311250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 858954 + ... + 859003.

Almost surely, 2^42948925 is an apocalyptic number.

It is an amenable number.

42948925 is a deficient number, since it is larger than the sum of its proper divisors (10307773).

42948925 is a wasteful number, since it uses less digits than its factorization.

42948925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717967 (or 1717962 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 42948925 is about 6553.5429349322. The cubic root of 42948925 is about 350.2010409620.

The spelling of 42948925 in words is "forty-two million, nine hundred forty-eight thousand, nine hundred twenty-five".