2526991 has 2 divisors, whose sum is σ = 2526992. Its totient is φ = 2526990.

The previous prime is 2526983. The next prime is 2527009. The reversal of 2526991 is 1996252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2526991 - 2³ = 2526983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2526971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263495 + 1263496.

It is an arithmetic number, because the mean of its divisors is an integer number (1263496).

2^2526991 is an apocalyptic number.

2526991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2526991 is an equidigital number, since it uses as much as digits as its factorization.

2526991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 2526991 is about 1589.6512196076. The cubic root of 2526991 is about 136.2075658333.

The spelling of 2526991 in words is "two million, five hundred twenty-six thousand, nine hundred ninety-one".