715241021 has 8 divisors (see below), whose sum is σ = 805433088. Its totient is φ = 629244000.

The previous prime is 715240951. The next prime is 715241027. The reversal of 715241021 is 120142517.

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

It is not a de Polignac number, because 715241021 - 2²² = 711046717 is a prime.

It is a super-2 number, since 2×715241021² = 1023139436242244882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715241027) 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, 1048400 + ... + 1049081.

It is an arithmetic number, because the mean of its divisors is an integer number (100679136).

Almost surely, 2^715241021 is an apocalyptic number.

It is an amenable number.

715241021 is a deficient number, since it is larger than the sum of its proper divisors (90192067).

715241021 is a wasteful number, since it uses less digits than its factorization.

715241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097523.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 715241021 is about 26743.9903716704. The cubic root of 715241021 is about 894.3018685246.

Adding to 715241021 its reverse (120142517), we get a palindrome (835383538).

The spelling of 715241021 in words is "seven hundred fifteen million, two hundred forty-one thousand, twenty-one".