252102545 has 16 divisors (see below), whose sum is σ = 319370880. Its totient is φ = 191041200.

The previous prime is 252102533. The next prime is 252102547. The reversal of 252102545 is 545201252.

252102545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252102545 - 2⁸ = 252102289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252102547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30620 + ... + 37970.

It is an arithmetic number, because the mean of its divisors is an integer number (19960680).

Almost surely, 2^252102545 is an apocalyptic number.

It is an amenable number.

252102545 is a deficient number, since it is larger than the sum of its proper divisors (67268335).

252102545 is an frugal number, since it uses more digits than its factorization.

252102545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413 (or 7375 counting only the distinct ones).

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

The square root of 252102545 is about 15877.7374017837. The cubic root of 252102545 is about 631.7216242178.

Adding to 252102545 its reverse (545201252), we get a palindrome (797303797).

The spelling of 252102545 in words is "two hundred fifty-two million, one hundred two thousand, five hundred forty-five".