9252721502 has 4 divisors (see below), whose sum is σ = 13879082256. Its totient is φ = 4626360750.

The previous prime is 9252721501. The next prime is 9252721523. The reversal of 9252721502 is 2051272529.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9252721502² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9252721501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2313180374 + ... + 2313180377.

It is an arithmetic number, because the mean of its divisors is an integer number (3469770564).

Almost surely, 2^9252721502 is an apocalyptic number.

9252721502 is a deficient number, since it is larger than the sum of its proper divisors (4626360754).

9252721502 is a wasteful number, since it uses less digits than its factorization.

9252721502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626360753.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 9252721502 is about 96191.0676830235. The cubic root of 9252721502 is about 2099.3740766463.

The spelling of 9252721502 in words is "nine billion, two hundred fifty-two million, seven hundred twenty-one thousand, five hundred two".