25142046 has 16 divisors (see below), whose sum is σ = 50348304. Its totient is φ = 8369984.

The previous prime is 25142041. The next prime is 25142077. The reversal of 25142046 is 64024152.

It is a super-2 number, since 2×25142046² = 1264244954132232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25142041) 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, 3520 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (3146769).

Almost surely, 2^25142046 is an apocalyptic number.

25142046 is an abundant number, since it is smaller than the sum of its proper divisors (25206258).

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

25142046 is a wasteful number, since it uses less digits than its factorization.

25142046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25142046 is about 5014.1844800526. The cubic root of 25142046 is about 292.9545216293.

Adding to 25142046 its reverse (64024152), we get a palindrome (89166198).

It can be divided in two parts, 2514 and 2046, that added together give a triangular number (4560 = T₉₅).

The spelling of 25142046 in words is "twenty-five million, one hundred forty-two thousand, forty-six".