2454991 has 8 divisors (see below), whose sum is σ = 3060864. Its totient is φ = 1912920.

The previous prime is 2454961. The next prime is 2455001. The reversal of 2454991 is 1994542.

2454991 = T₄₇₃ + T₄₇₄ + ... + T₄₉₃.

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 2454991 - 2¹⁵ = 2422223 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 (2454911) 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, 15865 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (382608).

2^2454991 is an apocalyptic number.

2454991 is a deficient number, since it is larger than the sum of its proper divisors (605873).

2454991 is a wasteful number, since it uses less digits than its factorization.

2454991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31901.

The product of its digits is 12960, while the sum is 34.

The square root of 2454991 is about 1566.8410895812. The cubic root of 2454991 is about 134.9014552899.

The spelling of 2454991 in words is "two million, four hundred fifty-four thousand, nine hundred ninety-one".