4997431 has 4 divisors (see below), whose sum is σ = 5006272. Its totient is φ = 4988592.

The previous prime is 4997401. The next prime is 4997471. The reversal of 4997431 is 1347994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4997431 - 2⁹ = 4996919 is a prime.

It is a super-2 number, since 2×4997431² = 49948633199522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510 + ... + 4723.

It is an arithmetic number, because the mean of its divisors is an integer number (1251568).

Almost surely, 2^4997431 is an apocalyptic number.

4997431 is a deficient number, since it is larger than the sum of its proper divisors (8841).

4997431 is an equidigital number, since it uses as much as digits as its factorization.

4997431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840.

The product of its digits is 27216, while the sum is 37.

The square root of 4997431 is about 2235.4934578298. The cubic root of 4997431 is about 170.9683034624.

It can be divided in two parts, 49974 and 31, that added together give a palindrome (50005).

The spelling of 4997431 in words is "four million, nine hundred ninety-seven thousand, four hundred thirty-one".