25070500 has 192 divisors, whose sum is σ = 73382400. Its totient is φ = 7257600.

The previous prime is 25070489. The next prime is 25070501. The reversal of 25070500 is 507052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (25070501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 864486 + ... + 864514.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^25070500 is an apocalyptic number.

25070500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25070500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36691200).

25070500 is an abundant number, since it is smaller than the sum of its proper divisors (48311900).

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

25070500 is a wasteful number, since it uses less digits than its factorization.

25070500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 25070500 is about 5007.0450367457. The cubic root of 25070500 is about 292.6763735265.

25070500 divided by its sum of digits (19) gives a triangular number (1319500 = T₁₆₂₄).

Adding to 25070500 its reverse (507052), we get a palindrome (25577552).

The spelling of 25070500 in words is "twenty-five million, seventy thousand, five hundred".