2542951 has 2 divisors, whose sum is σ = 2542952. Its totient is φ = 2542950.

The previous prime is 2542933. The next prime is 2542957. The reversal of 2542951 is 1592452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542951 - 2⁵ = 2542919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271475 + 1271476.

It is an arithmetic number, because the mean of its divisors is an integer number (1271476).

2^2542951 is an apocalyptic number.

2542951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542951 is an equidigital number, since it uses as much as digits as its factorization.

2542951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 2542951 is about 1594.6632873431. The cubic root of 2542951 is about 136.4937180398.

The spelling of 2542951 in words is "two million, five hundred forty-two thousand, nine hundred fifty-one".