25040063 has 4 divisors (see below), whose sum is σ = 25084488. Its totient is φ = 24995640.

The previous prime is 25040051. The next prime is 25040107. The reversal of 25040063 is 36004052.

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

It is a cyclic number.

It is not a de Polignac number, because 25040063 - 2⁴ = 25040047 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 (25040263) 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, 21356 + ... + 22497.

It is an arithmetic number, because the mean of its divisors is an integer number (6271122).

Almost surely, 2^25040063 is an apocalyptic number.

25040063 is a deficient number, since it is larger than the sum of its proper divisors (44425).

25040063 is an equidigital number, since it uses as much as digits as its factorization.

25040063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44424.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25040063 is about 5004.0046962408. The cubic root of 25040063 is about 292.5578836914.

The spelling of 25040063 in words is "twenty-five million, forty thousand, sixty-three".