2504261 has 2 divisors, whose sum is σ = 2504262. Its totient is φ = 2504260.

The previous prime is 2504251. The next prime is 2504269. The reversal of 2504261 is 1624052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 101761 = 1550^2 + 319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2504261 is a prime.

It is a super-2 number, since 2×2504261² = 12542646312242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2504269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252130 + 1252131.

It is an arithmetic number, because the mean of its divisors is an integer number (1252131).

2^2504261 is an apocalyptic number.

It is an amenable number.

2504261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504261 is an equidigital number, since it uses as much as digits as its factorization.

2504261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2504261 is about 1582.4857029370. The cubic root of 2504261 is about 135.7979446202.

The spelling of 2504261 in words is "two million, five hundred four thousand, two hundred sixty-one".