252542511 has 12 divisors (see below), whose sum is σ = 392844088. Its totient is φ = 155410704.

The previous prime is 252542491. The next prime is 252542513. The reversal of 252542511 is 115245252.

It is not a de Polignac number, because 252542511 - 2²¹ = 250445359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252542513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1079125 + ... + 1079358.

Almost surely, 2^252542511 is an apocalyptic number.

252542511 is a deficient number, since it is larger than the sum of its proper divisors (140301577).

252542511 is a wasteful number, since it uses less digits than its factorization.

252542511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158502 (or 2158499 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 252542511 is about 15891.5861700461. The cubic root of 252542511 is about 632.0889013633.

Adding to 252542511 its reverse (115245252), we get a palindrome (367787763).

The spelling of 252542511 in words is "two hundred fifty-two million, five hundred forty-two thousand, five hundred eleven".