2945251 has 4 divisors (see below), whose sum is σ = 2952400. Its totient is φ = 2938104.

The previous prime is 2945249. The next prime is 2945287. The reversal of 2945251 is 1525492.

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 2945251 - 2¹ = 2945249 is a prime.

It is a Duffinian number.

2945251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2945291) 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, 2916 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (738100).

2^2945251 is an apocalyptic number.

2945251 is a deficient number, since it is larger than the sum of its proper divisors (7149).

2945251 is an equidigital number, since it uses as much as digits as its factorization.

2945251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148.

The product of its digits is 3600, while the sum is 28.

The square root of 2945251 is about 1716.1733595415. The cubic root of 2945251 is about 143.3422126583.

The spelling of 2945251 in words is "two million, nine hundred forty-five thousand, two hundred fifty-one".