2215051 has 2 divisors, whose sum is σ = 2215052. Its totient is φ = 2215050.

The previous prime is 2215013. The next prime is 2215067. The reversal of 2215051 is 1505122.

It is an a-pointer prime, because the next prime (2215067) can be obtained adding 2215051 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2215051 - 2²¹ = 117899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107525 + 1107526.

It is an arithmetic number, because the mean of its divisors is an integer number (1107526).

2^2215051 is an apocalyptic number.

2215051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215051 is an equidigital number, since it uses as much as digits as its factorization.

2215051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2215051 is about 1488.3047403002. The cubic root of 2215051 is about 130.3550648428.

It can be divided in two parts, 22150 and 51, that added together give a square (22201 = 149²).

The spelling of 2215051 in words is "two million, two hundred fifteen thousand, fifty-one".