2517901 has 2 divisors, whose sum is σ = 2517902. Its totient is φ = 2517900.

The previous prime is 2517881. The next prime is 2517919. The reversal of 2517901 is 1097152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2328676 + 189225 = 1526^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2517901 - 2⁵ = 2517869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2517941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258950 + 1258951.

It is an arithmetic number, because the mean of its divisors is an integer number (1258951).

2^2517901 is an apocalyptic number.

It is an amenable number.

2517901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517901 is an equidigital number, since it uses as much as digits as its factorization.

2517901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 2517901 is about 1586.7895260557. The cubic root of 2517901 is about 136.0440493126.

The spelling of 2517901 in words is "two million, five hundred seventeen thousand, nine hundred one".