501542249 has 8 divisors (see below), whose sum is σ = 543359040. Its totient is φ = 460187856.

The previous prime is 501542231. The next prime is 501542281. The reversal of 501542249 is 942245105.

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

It is a cyclic number.

It is not a de Polignac number, because 501542249 - 2¹² = 501538153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501592249) 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, 113339 + ... + 117680.

It is an arithmetic number, because the mean of its divisors is an integer number (67919880).

Almost surely, 2^501542249 is an apocalyptic number.

It is an amenable number.

501542249 is a deficient number, since it is larger than the sum of its proper divisors (41816791).

501542249 is a wasteful number, since it uses less digits than its factorization.

501542249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231199.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 501542249 is about 22395.1389591581. The cubic root of 501542249 is about 794.5157442730.

The spelling of 501542249 in words is "five hundred one million, five hundred forty-two thousand, two hundred forty-nine".