25545701 has 4 divisors (see below), whose sum is σ = 25605132. Its totient is φ = 25486272.

The previous prime is 25545683. The next prime is 25545703. The reversal of 25545701 is 10754552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7695076 + 17850625 = 2774^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 25545701 - 2¹⁰ = 25544677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545703) 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, 29066 + ... + 29931.

It is an arithmetic number, because the mean of its divisors is an integer number (6401283).

Almost surely, 2^25545701 is an apocalyptic number.

It is an amenable number.

25545701 is a deficient number, since it is larger than the sum of its proper divisors (59431).

25545701 is an equidigital number, since it uses as much as digits as its factorization.

25545701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59430.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 25545701 is about 5054.2755168273. The cubic root of 25545701 is about 294.5139981989.

The spelling of 25545701 in words is "twenty-five million, five hundred forty-five thousand, seven hundred one".