2619257 has 2 divisors, whose sum is σ = 2619258. Its totient is φ = 2619256.

The previous prime is 2619229. The next prime is 2619277. The reversal of 2619257 is 7529162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1666681 + 952576 = 1291^2 + 976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2619257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2619277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309628 + 1309629.

It is an arithmetic number, because the mean of its divisors is an integer number (1309629).

2^2619257 is an apocalyptic number.

It is an amenable number.

2619257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619257 is an equidigital number, since it uses as much as digits as its factorization.

2619257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 2619257 is about 1618.4118758833. The cubic root of 2619257 is about 137.8455353554.

The spelling of 2619257 in words is "two million, six hundred nineteen thousand, two hundred fifty-seven".