2658427 has 4 divisors (see below), whose sum is σ = 2708640. Its totient is φ = 2608216.

The previous prime is 2658391. The next prime is 2658437. The reversal of 2658427 is 7248562.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2658427 is a prime.

It is a super-2 number, since 2×2658427² = 14134468228658, which contains 22 as substring.

It is a Duffinian number.

2658427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2658392 and 2658401.

It is not an unprimeable number, because it can be changed into a prime (2658437) 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, 25027 + ... + 25132.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

2^2658427 is an apocalyptic number.

2658427 is a deficient number, since it is larger than the sum of its proper divisors (50213).

2658427 is an equidigital number, since it uses as much as digits as its factorization.

2658427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50212.

The product of its digits is 26880, while the sum is 34.

The square root of 2658427 is about 1630.4683376257. The cubic root of 2658427 is about 138.5292808671.

The spelling of 2658427 in words is "two million, six hundred fifty-eight thousand, four hundred twenty-seven".