25001061 has 4 divisors (see below), whose sum is σ = 33334752. Its totient is φ = 16667372.

The previous prime is 25001059. The next prime is 25001077. The reversal of 25001061 is 16010052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25001061 - 2¹ = 25001059 is a prime.

It is a super-2 number, since 2×25001061² = 1250106102251442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25001061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25001461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166841 + ... + 4166846.

It is an arithmetic number, because the mean of its divisors is an integer number (8333688).

Almost surely, 2^25001061 is an apocalyptic number.

It is an amenable number.

25001061 is a deficient number, since it is larger than the sum of its proper divisors (8333691).

25001061 is an equidigital number, since it uses as much as digits as its factorization.

25001061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333690.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 25001061 is about 5000.1060988743. The cubic root of 25001061 is about 292.4059102732.

The spelling of 25001061 in words is "twenty-five million, one thousand, sixty-one".