25015423 has 8 divisors (see below), whose sum is σ = 25356240. Its totient is φ = 24676800.

The previous prime is 25015411. The next prime is 25015433. The reversal of 25015423 is 32451052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25015423 - 2¹³ = 25007231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25015394 and 25015403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25015433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41323 + ... + 41923.

It is an arithmetic number, because the mean of its divisors is an integer number (3169530).

Almost surely, 2^25015423 is an apocalyptic number.

25015423 is a deficient number, since it is larger than the sum of its proper divisors (340817).

25015423 is a wasteful number, since it uses less digits than its factorization.

25015423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25015423 is about 5001.5420622044. The cubic root of 25015423 is about 292.4618909613.

Adding to 25015423 its reverse (32451052), we get a palindrome (57466475).

The spelling of 25015423 in words is "twenty-five million, fifteen thousand, four hundred twenty-three".