2515081 has 2 divisors, whose sum is σ = 2515082. Its totient is φ = 2515080.

The previous prime is 2515067. The next prime is 2515103. The reversal of 2515081 is 1805152.

It is an a-pointer prime, because the next prime (2515103) can be obtained adding 2515081 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 783225 = 1316^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515081 - 2¹¹ = 2513033 is a prime.

It is a super-2 number, since 2×2515081² = 12651264873122, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2518081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257540 + 1257541.

It is an arithmetic number, because the mean of its divisors is an integer number (1257541).

2^2515081 is an apocalyptic number.

It is an amenable number.

2515081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515081 is an equidigital number, since it uses as much as digits as its factorization.

2515081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2515081 is about 1585.9006904595. The cubic root of 2515081 is about 135.9932414461.

The spelling of 2515081 in words is "two million, five hundred fifteen thousand, eighty-one".