2090951 has 2 divisors, whose sum is σ = 2090952. Its totient is φ = 2090950.

The previous prime is 2090923. The next prime is 2090989. The reversal of 2090951 is 1590902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2090951 is a prime.

It is a Chen prime.

It is equal to p₁₅₅₁₉₅ and since 2090951 and 155195 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2090951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045475 + 1045476.

It is an arithmetic number, because the mean of its divisors is an integer number (1045476).

2^2090951 is an apocalyptic number.

2090951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090951 is an equidigital number, since it uses as much as digits as its factorization.

2090951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 2090951 is about 1446.0121023007. The cubic root of 2090951 is about 127.8737157816.

The spelling of 2090951 in words is "two million, ninety thousand, nine hundred fifty-one".