25150740 has 48 divisors (see below), whose sum is σ = 70858368. Its totient is φ = 6665344.

The previous prime is 25150739. The next prime is 25150747. The reversal of 25150740 is 4705152.

It is a self number, because there is not a number n which added to its sum of digits gives 25150740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25150747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9169 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (1476216).

Almost surely, 2^25150740 is an apocalyptic number.

25150740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25150740 is an abundant number, since it is smaller than the sum of its proper divisors (45707628).

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

25150740 is a wasteful number, since it uses less digits than its factorization.

25150740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 25150740 is about 5015.0513456993. The cubic root of 25150740 is about 292.9882851649.

Adding to 25150740 its reverse (4705152), we get a palindrome (29855892).

The spelling of 25150740 in words is "twenty-five million, one hundred fifty thousand, seven hundred forty".