25419534 has 24 divisors (see below), whose sum is σ = 59140008. Its totient is φ = 7262640.

The previous prime is 25419533. The next prime is 25419551. The reversal of 25419534 is 43591452.

It is a junction number, because it is equal to n+sod(n) for n = 25419495 and 25419504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25419533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42937 + ... + 43524.

It is an arithmetic number, because the mean of its divisors is an integer number (2464167).

Almost surely, 2^25419534 is an apocalyptic number.

25419534 is an abundant number, since it is smaller than the sum of its proper divisors (33720474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25419534 is a wasteful number, since it uses less digits than its factorization.

25419534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86480 (or 86473 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 25419534 is about 5041.7788527463. The cubic root of 25419534 is about 294.0283419389.

The spelling of 25419534 in words is "twenty-five million, four hundred nineteen thousand, five hundred thirty-four".