85237901 has 20 divisors (see below), whose sum is σ = 100567104. Its totient is φ = 72235800.

The previous prime is 85237897. The next prime is 85237903. The reversal of 85237901 is 10973258.

It is not a de Polignac number, because 85237901 - 2² = 85237897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85237903) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 314396 + ... + 314666.

Almost surely, 2^85237901 is an apocalyptic number.

It is an amenable number.

85237901 is a deficient number, since it is larger than the sum of its proper divisors (15329203).

85237901 is an equidigital number, since it uses as much as digits as its factorization.

85237901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 85237901 is about 9232.4374354772. The cubic root of 85237901 is about 440.0927851846.

The spelling of 85237901 in words is "eighty-five million, two hundred thirty-seven thousand, nine hundred one".