2742251 has 8 divisors (see below), whose sum is σ = 2917200. Its totient is φ = 2570400.

The previous prime is 2742247. The next prime is 2742263. The reversal of 2742251 is 1522472.

It is a happy number.

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 2742251 - 2² = 2742247 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 7⁶ + 4 + 2¹⁹ + 2²¹ + 5⁵ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (364650).

2^2742251 is an apocalyptic number.

2742251 is a deficient number, since it is larger than the sum of its proper divisors (174949).

2742251 is a wasteful number, since it uses less digits than its factorization.

2742251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its digits is 1120, while the sum is 23.

The square root of 2742251 is about 1655.9743355499. The cubic root of 2742251 is about 139.9702487801.

The spelling of 2742251 in words is "two million, seven hundred forty-two thousand, two hundred fifty-one".