25266801 has 24 divisors (see below), whose sum is σ = 40547520. Its totient is φ = 13937952.

The previous prime is 25266799. The next prime is 25266803. The reversal of 25266801 is 10866252.

It is an interprime number because it is at equal distance from previous prime (25266799) and next prime (25266803).

It is not a de Polignac number, because 25266801 - 2¹ = 25266799 is a prime.

It is a super-2 number, since 2×25266801² = 1276822465547202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25266803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300 + ... + 7226.

It is an arithmetic number, because the mean of its divisors is an integer number (1689480).

Almost surely, 2^25266801 is an apocalyptic number.

25266801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25266801 is a deficient number, since it is larger than the sum of its proper divisors (15280719).

25266801 is a wasteful number, since it uses less digits than its factorization.

25266801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973 (or 5966 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 25266801 is about 5026.6092945444. The cubic root of 25266801 is about 293.4382698192.

The spelling of 25266801 in words is "twenty-five million, two hundred sixty-six thousand, eight hundred one".