501252245 has 8 divisors (see below), whose sum is σ = 647772216. Its totient is φ = 370155456.

The previous prime is 501252239. The next prime is 501252277. The reversal of 501252245 is 542252105.

It can be written as a sum of positive squares in 4 ways, for example, as 5121169 + 496131076 = 2263^2 + 22274^2 .

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 501252245 - 2⁶ = 501252181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855722 + ... + 3855851.

It is an arithmetic number, because the mean of its divisors is an integer number (80971527).

Almost surely, 2^501252245 is an apocalyptic number.

It is an amenable number.

501252245 is a deficient number, since it is larger than the sum of its proper divisors (146519971).

501252245 is a wasteful number, since it uses less digits than its factorization.

501252245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711591.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 501252245 is about 22388.6633142758. The cubic root of 501252245 is about 794.3625786000.

The spelling of 501252245 in words is "five hundred one million, two hundred fifty-two thousand, two hundred forty-five".