25522534 has 4 divisors (see below), whose sum is σ = 38283804. Its totient is φ = 12761266.

The previous prime is 25522531. The next prime is 25522537. The reversal of 25522534 is 43522552.

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

It is an interprime number because it is at equal distance from previous prime (25522531) and next prime (25522537).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380632 + ... + 6380635.

It is an arithmetic number, because the mean of its divisors is an integer number (9570951).

Almost surely, 2^25522534 is an apocalyptic number.

25522534 is a deficient number, since it is larger than the sum of its proper divisors (12761270).

25522534 is a wasteful number, since it uses less digits than its factorization.

25522534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761269.

The product of its digits is 12000, while the sum is 28.

The square root of 25522534 is about 5051.9831749522. The cubic root of 25522534 is about 294.4249412131.

The spelling of 25522534 in words is "twenty-five million, five hundred twenty-two thousand, five hundred thirty-four".