4945131 has 10 divisors (see below), whose sum is σ = 7387292. Its totient is φ = 3296700.

The previous prime is 4945123. The next prime is 4945141. The reversal of 4945131 is 1315494.

It is not a de Polignac number, because 4945131 - 2³ = 4945123 is a prime.

It is a super-2 number, since 2×4945131² = 48908641214322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

4945131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4945095 and 4945104.

It is not an unprimeable number, because it can be changed into a prime (4945121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30445 + ... + 30606.

Almost surely, 2^4945131 is an apocalyptic number.

4945131 is a deficient number, since it is larger than the sum of its proper divisors (2442161).

4945131 is an equidigital number, since it uses as much as digits as its factorization.

4945131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61063 (or 61054 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 4945131 is about 2223.7650505393. The cubic root of 4945131 is about 170.3697947850.

It can be divided in two parts, 494 and 5131, that added together give a square (5625 = 75²).

The spelling of 4945131 in words is "four million, nine hundred forty-five thousand, one hundred thirty-one".