2252739 has 8 divisors (see below), whose sum is σ = 3100672. Its totient is φ = 1453320.

The previous prime is 2252729. The next prime is 2252743. The reversal of 2252739 is 9372522.

It is a happy number.

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

It is not a de Polignac number, because 2252739 - 2⁷ = 2252611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252729) 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, 12019 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (387584).

2^2252739 is an apocalyptic number.

2252739 is a deficient number, since it is larger than the sum of its proper divisors (847933).

2252739 is a wasteful number, since it uses less digits than its factorization.

2252739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24257.

The product of its digits is 7560, while the sum is 30.

The square root of 2252739 is about 1500.9127223127. The cubic root of 2252739 is about 131.0902200800.

The spelling of 2252739 in words is "two million, two hundred fifty-two thousand, seven hundred thirty-nine".