25270101 has 6 divisors (see below), whose sum is σ = 36501270. Its totient is φ = 16846728.

The previous prime is 25270093. The next prime is 25270103. The reversal of 25270101 is 10107252.

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 260100 = 5001^2 + 510^2 .

It is not a de Polignac number, because 25270101 - 2³ = 25270093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25270103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1403886 + ... + 1403903.

It is an arithmetic number, because the mean of its divisors is an integer number (6083545).

Almost surely, 2^25270101 is an apocalyptic number.

It is an amenable number.

25270101 is a deficient number, since it is larger than the sum of its proper divisors (11231169).

25270101 is a wasteful number, since it uses less digits than its factorization.

25270101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807795 (or 2807792 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 25270101 is about 5026.9375369105. The cubic root of 25270101 is about 293.4510442121.

Adding to 25270101 its reverse (10107252), we get a palindrome (35377353).

The spelling of 25270101 in words is "twenty-five million, two hundred seventy thousand, one hundred one".