85253511 has 16 divisors (see below), whose sum is σ = 130233600. Its totient is φ = 48595008.

The previous prime is 85253501. The next prime is 85253527. The reversal of 85253511 is 11535258.

It is not a de Polignac number, because 85253511 - 2¹⁷ = 85122439 is a prime.

It is a super-2 number, since 2×85253511² = 14536322275654242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85253501) 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, 3955 + ... + 13643.

It is an arithmetic number, because the mean of its divisors is an integer number (8139600).

Almost surely, 2^85253511 is an apocalyptic number.

85253511 is a deficient number, since it is larger than the sum of its proper divisors (44980089).

85253511 is a wasteful number, since it uses less digits than its factorization.

85253511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118.

The product of its digits is 6000, while the sum is 30.

The square root of 85253511 is about 9233.2827856619. The cubic root of 85253511 is about 440.1196489348.

Adding to 85253511 its reverse (11535258), we get a palindrome (96788769).

The spelling of 85253511 in words is "eighty-five million, two hundred fifty-three thousand, five hundred eleven".