25714515 has 16 divisors (see below), whose sum is σ = 41282208. Its totient is φ = 13668096.

The previous prime is 25714477. The next prime is 25714537. The reversal of 25714515 is 51541752.

It is not a de Polignac number, because 25714515 - 2¹³ = 25706323 is a prime.

It is a super-2 number, since 2×25714515² = 1322472563370450, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1957 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (2580138).

Almost surely, 2^25714515 is an apocalyptic number.

25714515 is a deficient number, since it is larger than the sum of its proper divisors (15567693).

25714515 is a wasteful number, since it uses less digits than its factorization.

25714515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798.

The product of its digits is 7000, while the sum is 30.

The square root of 25714515 is about 5070.9481361970. The cubic root of 25714515 is about 295.1613213217.

The spelling of 25714515 in words is "twenty-five million, seven hundred fourteen thousand, five hundred fifteen".