4025290 has 8 divisors (see below), whose sum is σ = 7245540. Its totient is φ = 1610112.

The previous prime is 4025279. The next prime is 4025303. The reversal of 4025290 is 925204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 69169 = 1989^2 + 263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201255 + ... + 201274.

Almost surely, 2^4025290 is an apocalyptic number.

4025290 is a deficient number, since it is larger than the sum of its proper divisors (3220250).

4025290 is a wasteful number, since it uses less digits than its factorization.

4025290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402536.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4025290 is about 2006.3125379661. The cubic root of 4025290 is about 159.0739473815.

The spelling of 4025290 in words is "four million, twenty-five thousand, two hundred ninety".