2457961 has 8 divisors (see below), whose sum is σ = 2692800. Its totient is φ = 2225040.

The previous prime is 2457943. The next prime is 2457967. The reversal of 2457961 is 1697542.

2457961 = T₆₆₃ + T₆₆₄ + ... + T₆₇₃.

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 2457961 - 2⁹ = 2457449 is a prime.

2457961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2457967) 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, 4575 + ... + 5083.

It is an arithmetic number, because the mean of its divisors is an integer number (336600).

2^2457961 is an apocalyptic number.

It is an amenable number.

2457961 is a deficient number, since it is larger than the sum of its proper divisors (234839).

2457961 is a wasteful number, since it uses less digits than its factorization.

2457961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 15120, while the sum is 34.

The square root of 2457961 is about 1567.7885699290. The cubic root of 2457961 is about 134.9558337461.

The spelling of 2457961 in words is "two million, four hundred fifty-seven thousand, nine hundred sixty-one".