2552461 has 2 divisors, whose sum is σ = 2552462. Its totient is φ = 2552460.

The previous prime is 2552449. The next prime is 2552477. The reversal of 2552461 is 1642552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2499561 + 52900 = 1581^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552461 - 2¹⁷ = 2421389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276230 + 1276231.

It is an arithmetic number, because the mean of its divisors is an integer number (1276231).

2^2552461 is an apocalyptic number.

It is an amenable number.

2552461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552461 is an equidigital number, since it uses as much as digits as its factorization.

2552461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 2552461 is about 1597.6423254283. The cubic root of 2552461 is about 136.6636571483.

Subtracting from 2552461 its reverse (1642552), we obtain a palindrome (909909).

The spelling of 2552461 in words is "two million, five hundred fifty-two thousand, four hundred sixty-one".