715551 has 8 divisors (see below), whose sum is σ = 961584. Its totient is φ = 473280.

The previous prime is 715549. The next prime is 715567. The reversal of 715551 is 155517.

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

It is not a de Polignac number, because 715551 - 2¹ = 715549 is a prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (120198).

2⁷¹⁵⁵⁵¹ is an apocalyptic number.

715551 is a deficient number, since it is larger than the sum of its proper divisors (246033).

715551 is a wasteful number, since it uses less digits than its factorization.

715551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881.

The product of its digits is 875, while the sum is 24.

The square root of 715551 is about 845.9024766485. The cubic root of 715551 is about 89.4431043983.

The spelling of 715551 in words is "seven hundred fifteen thousand, five hundred fifty-one".