2402251 has 4 divisors (see below), whose sum is σ = 2424400. Its totient is φ = 2380104.

The previous prime is 2402249. The next prime is 2402261. The reversal of 2402251 is 1522042.

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 2402251 - 2¹ = 2402249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402201) 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, 10911 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (606100).

2^2402251 is an apocalyptic number.

2402251 is a deficient number, since it is larger than the sum of its proper divisors (22149).

2402251 is a wasteful number, since it uses less digits than its factorization.

2402251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2402251 is about 1549.9196753380. The cubic root of 2402251 is about 133.9284350915.

Adding to 2402251 its reverse (1522042), we get a palindrome (3924293).

The spelling of 2402251 in words is "two million, four hundred two thousand, two hundred fifty-one".