2453761 has 4 divisors (see below), whose sum is σ = 2472624. Its totient is φ = 2434900.

The previous prime is 2453747. The next prime is 2453771. The reversal of 2453761 is 1673542.

It is the 640-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2453761 - 2¹⁵ = 2420993 is a prime.

It is a Duffinian number.

2453761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2453701) 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, 9235 + ... + 9496.

It is an arithmetic number, because the mean of its divisors is an integer number (618156).

2^2453761 is an apocalyptic number.

It is an amenable number.

2453761 is a deficient number, since it is larger than the sum of its proper divisors (18863).

2453761 is a wasteful number, since it uses less digits than its factorization.

2453761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18862.

The product of its digits is 5040, while the sum is 28.

The square root of 2453761 is about 1566.4485309132. The cubic root of 2453761 is about 134.8789220765.

The spelling of 2453761 in words is "two million, four hundred fifty-three thousand, seven hundred sixty-one".