4025251 has 4 divisors (see below), whose sum is σ = 4073832. Its totient is φ = 3976672.

The previous prime is 4025249. The next prime is 4025269. The reversal of 4025251 is 1525204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4025251 - 2¹ = 4025249 is a prime.

It is a super-2 number, since 2×4025251² = 32405291226002, which contains 22 as substring.

It is a Duffinian number.

4025251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4025051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24166 + ... + 24331.

It is an arithmetic number, because the mean of its divisors is an integer number (1018458).

Almost surely, 2^4025251 is an apocalyptic number.

4025251 is a deficient number, since it is larger than the sum of its proper divisors (48581).

4025251 is an equidigital number, since it uses as much as digits as its factorization.

4025251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48580.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4025251 is about 2006.3028186194. The cubic root of 4025251 is about 159.0734336377.

The spelling of 4025251 in words is "four million, twenty-five thousand, two hundred fifty-one".