2651131 has 4 divisors (see below), whose sum is σ = 3029872. Its totient is φ = 2272392.

The previous prime is 2651119. The next prime is 2651137. The reversal of 2651131 is 1311562.

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 2651131 - 2⁹ = 2650619 is a prime.

It is a super-2 number, since 2×2651131² = 14056991158322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2651099 and 2651108.

It is not an unprimeable number, because it can be changed into a prime (2651137) 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, 189360 + ... + 189373.

It is an arithmetic number, because the mean of its divisors is an integer number (757468).

2^2651131 is an apocalyptic number.

2651131 is a deficient number, since it is larger than the sum of its proper divisors (378741).

2651131 is an equidigital number, since it uses as much as digits as its factorization.

2651131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378740.

The product of its digits is 180, while the sum is 19.

The square root of 2651131 is about 1628.2294064412. The cubic root of 2651131 is about 138.4024344689.

Adding to 2651131 its reverse (1311562), we get a palindrome (3962693).

The spelling of 2651131 in words is "two million, six hundred fifty-one thousand, one hundred thirty-one".