2452691 has 4 divisors (see below), whose sum is σ = 2581800. Its totient is φ = 2323584.

The previous prime is 2452687. The next prime is 2452699. The reversal of 2452691 is 1962542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1962542 = 2 ⋅981271.

It is a cyclic number.

It is not a de Polignac number, because 2452691 - 2² = 2452687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452699) 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, 64526 + ... + 64563.

It is an arithmetic number, because the mean of its divisors is an integer number (645450).

2^2452691 is an apocalyptic number.

2452691 is a deficient number, since it is larger than the sum of its proper divisors (129109).

2452691 is a wasteful number, since it uses less digits than its factorization.

2452691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129108.

The product of its digits is 4320, while the sum is 29.

The square root of 2452691 is about 1566.1069567561. The cubic root of 2452691 is about 134.8593138873.

The spelling of 2452691 in words is "two million, four hundred fifty-two thousand, six hundred ninety-one".