252014154540521 has 8 divisors (see below), whose sum is σ = 252287373069480. Its totient is φ = 251740940193792.

The previous prime is 252014154540503. The next prime is 252014154540611. The reversal of 252014154540521 is 125045451410252.

It can be written as a sum of positive squares in 4 ways, for example, as 14916859195225 + 237097295345296 = 3862235^2 + 15397964^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252014154540521 is a prime.

It is a super-2 number, since 2×252014154540521² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252014154540221) 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, 128186081 + ... + 130137233.

It is an arithmetic number, because the mean of its divisors is an integer number (31535921633685).

Almost surely, 2^{252014154540521} is an apocalyptic number.

It is an amenable number.

252014154540521 is a deficient number, since it is larger than the sum of its proper divisors (273218528959).

252014154540521 is a wasteful number, since it uses less digits than its factorization.

252014154540521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091115.

The product of its (nonzero) digits is 320000, while the sum is 41.

The spelling of 252014154540521 in words is "two hundred fifty-two trillion, fourteen billion, one hundred fifty-four million, five hundred forty thousand, five hundred twenty-one".