5131385 has 16 divisors (see below), whose sum is σ = 7076352. Its totient is φ = 3499200.

The previous prime is 5131367. The next prime is 5131417. The reversal of 5131385 is 5831315.

It is not a de Polignac number, because 5131385 - 2¹² = 5127289 is a prime.

It is a super-2 number, since 2×5131385² = 52662224036450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9215 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (442272).

Almost surely, 2^5131385 is an apocalyptic number.

It is an amenable number.

5131385 is a deficient number, since it is larger than the sum of its proper divisors (1944967).

5131385 is a wasteful number, since it uses less digits than its factorization.

5131385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 1800, while the sum is 26.

The square root of 5131385 is about 2265.2560561667. The cubic root of 5131385 is about 172.4824318732.

The spelling of 5131385 in words is "five million, one hundred thirty-one thousand, three hundred eighty-five".