715243251 has 8 divisors (see below), whose sum is σ = 953791120. Its totient is φ = 476762112.

The previous prime is 715243247. The next prime is 715243267. The reversal of 715243251 is 152342517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 715243251 - 2² = 715243247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715243231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19611 + ... + 42603.

It is an arithmetic number, because the mean of its divisors is an integer number (119223890).

Almost surely, 2^715243251 is an apocalyptic number.

715243251 is a deficient number, since it is larger than the sum of its proper divisors (238547869).

715243251 is a wasteful number, since it uses less digits than its factorization.

715243251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33365.

The product of its digits is 8400, while the sum is 30.

The square root of 715243251 is about 26744.0320632473. The cubic root of 715243251 is about 894.3027979507.

Adding to 715243251 its reverse (152342517), we get a palindrome (867585768).

It can be divided in two parts, 7152 and 43251, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 715243251 in words is "seven hundred fifteen million, two hundred forty-three thousand, two hundred fifty-one".