2251407 has 8 divisors (see below), whose sum is σ = 3010176. Its totient is φ = 1496792.

The previous prime is 2251397. The next prime is 2251411. The reversal of 2251407 is 7041522.

2251407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2251407 - 2⁶ = 2251343 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 2²¹ + 5⁷ + 1 + 4⁸ + 0 + 7⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (376272).

2^2251407 is an apocalyptic number.

2251407 is a deficient number, since it is larger than the sum of its proper divisors (758769).

2251407 is a wasteful number, since it uses less digits than its factorization.

2251407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2251407 is about 1500.4689267026. The cubic root of 2251407 is about 131.0643779682.

Adding to 2251407 its reverse (7041522), we get a palindrome (9292929).

The spelling of 2251407 in words is "two million, two hundred fifty-one thousand, four hundred seven".