2152461 has 8 divisors (see below), whose sum is σ = 2892384. Its totient is φ = 1423760.

The previous prime is 2152457. The next prime is 2152477. The reversal of 2152461 is 1642512.

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 2152461 - 2² = 2152457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152481) 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, 2346 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (361548).

2^2152461 is an apocalyptic number.

It is an amenable number.

2152461 is a deficient number, since it is larger than the sum of its proper divisors (739923).

2152461 is a wasteful number, since it uses less digits than its factorization.

2152461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611.

The product of its digits is 480, while the sum is 21.

The square root of 2152461 is about 1467.1267838875. The cubic root of 2152461 is about 129.1155145820.

Adding to 2152461 its reverse (1642512), we get a palindrome (3794973).

The spelling of 2152461 in words is "two million, one hundred fifty-two thousand, four hundred sixty-one".