2515237 has 2 divisors, whose sum is σ = 2515238. Its totient is φ = 2515236.

The previous prime is 2515193. The next prime is 2515241. The reversal of 2515237 is 7325152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 298116 = 1489^2 + 546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2515237 is a prime.

2515237 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257618 + 1257619.

It is an arithmetic number, because the mean of its divisors is an integer number (1257619).

2^2515237 is an apocalyptic number.

It is an amenable number.

2515237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515237 is an equidigital number, since it uses as much as digits as its factorization.

2515237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 25.

The square root of 2515237 is about 1585.9498731044. The cubic root of 2515237 is about 135.9960530861.

The spelling of 2515237 in words is "two million, five hundred fifteen thousand, two hundred thirty-seven".