25620463 has 4 divisors (see below), whose sum is σ = 27949608. Its totient is φ = 23291320.

The previous prime is 25620461. The next prime is 25620473. The reversal of 25620463 is 36402652.

It is a happy number.

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 25620463 - 2¹ = 25620461 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 (25620461) 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, 1164556 + ... + 1164577.

It is an arithmetic number, because the mean of its divisors is an integer number (6987402).

Almost surely, 2^25620463 is an apocalyptic number.

25620463 is a deficient number, since it is larger than the sum of its proper divisors (2329145).

25620463 is a wasteful number, since it uses less digits than its factorization.

25620463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329144.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25620463 is about 5061.6660300735. Note that the first 3 decimals coincide. The cubic root of 25620463 is about 294.8010264112.

The spelling of 25620463 in words is "twenty-five million, six hundred twenty thousand, four hundred sixty-three".