25146494 has 4 divisors (see below), whose sum is σ = 37719744. Its totient is φ = 12573246.

The previous prime is 25146491. The next prime is 25146503. The reversal of 25146494 is 49464152.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25146491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286622 + ... + 6286625.

It is an arithmetic number, because the mean of its divisors is an integer number (9429936).

Almost surely, 2^25146494 is an apocalyptic number.

25146494 is a deficient number, since it is larger than the sum of its proper divisors (12573250).

25146494 is a wasteful number, since it uses less digits than its factorization.

25146494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12573249.

The product of its digits is 34560, while the sum is 35.

The square root of 25146494 is about 5014.6280021553. The cubic root of 25146494 is about 292.9717966074.

The spelling of 25146494 in words is "twenty-five million, one hundred forty-six thousand, four hundred ninety-four".