715249 has 2 divisors, whose sum is σ = 715250. Its totient is φ = 715248.

The previous prime is 715243. The next prime is 715259. The reversal of 715249 is 942517.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 42849 = 820^2 + 207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715249 is a prime.

It is a super-2 number, since 2×715249² = 1023162264002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357624 + 357625.

It is an arithmetic number, because the mean of its divisors is an integer number (357625).

2⁷¹⁵²⁴⁹ is an apocalyptic number.

It is an amenable number.

715249 is a deficient number, since it is larger than the sum of its proper divisors (1).

715249 is an equidigital number, since it uses as much as digits as its factorization.

715249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 715249 is about 845.7239502344. The cubic root of 715249 is about 89.4305194027.

The spelling of 715249 in words is "seven hundred fifteen thousand, two hundred forty-nine".