252609141 has 4 divisors (see below), whose sum is σ = 336812192. Its totient is φ = 168406092.

The previous prime is 252609139. The next prime is 252609143. The reversal of 252609141 is 141906252.

252609141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (252609139) and next prime (252609143).

It is not a de Polignac number, because 252609141 - 2¹ = 252609139 is a prime.

It is a super-2 number, since 2×252609141² = 127622756233515762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252609099 and 252609108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252609143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42101521 + ... + 42101526.

It is an arithmetic number, because the mean of its divisors is an integer number (84203048).

Almost surely, 2^252609141 is an apocalyptic number.

It is an amenable number.

252609141 is a deficient number, since it is larger than the sum of its proper divisors (84203051).

252609141 is an equidigital number, since it uses as much as digits as its factorization.

252609141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84203050.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 252609141 is about 15893.6824241583. The cubic root of 252609141 is about 632.1444859062.

The spelling of 252609141 in words is "two hundred fifty-two million, six hundred nine thousand, one hundred forty-one".