25029473 has 4 divisors (see below), whose sum is σ = 28605120. Its totient is φ = 21453828.

The previous prime is 25029461. The next prime is 25029481. The reversal of 25029473 is 37492052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25029473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25029373) 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, 1787813 + ... + 1787826.

It is an arithmetic number, because the mean of its divisors is an integer number (7151280).

Almost surely, 2^25029473 is an apocalyptic number.

It is an amenable number.

25029473 is a deficient number, since it is larger than the sum of its proper divisors (3575647).

25029473 is an equidigital number, since it uses as much as digits as its factorization.

25029473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575646.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 25029473 is about 5002.9464318539. The cubic root of 25029473 is about 292.5166347955.

The spelling of 25029473 in words is "twenty-five million, twenty-nine thousand, four hundred seventy-three".