25051403 has 4 divisors (see below), whose sum is σ = 26978448. Its totient is φ = 23124360.

The previous prime is 25051373. The next prime is 25051417. The reversal of 25051403 is 30415052.

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 25051403 - 2⁶ = 25051339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25051003) 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, 963503 + ... + 963528.

It is an arithmetic number, because the mean of its divisors is an integer number (6744612).

Almost surely, 2^25051403 is an apocalyptic number.

25051403 is a deficient number, since it is larger than the sum of its proper divisors (1927045).

25051403 is a wasteful number, since it uses less digits than its factorization.

25051403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927044.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25051403 is about 5005.1376604445. The cubic root of 25051403 is about 292.6020410045.

Adding to 25051403 its reverse (30415052), we get a palindrome (55466455).

The spelling of 25051403 in words is "twenty-five million, fifty-one thousand, four hundred three".