152500025 has 6 divisors (see below), whose sum is σ = 189100062. Its totient is φ = 122000000.

The previous prime is 152500021. The next prime is 152500037. The reversal of 152500025 is 520005251.

It can be written as a sum of positive squares in 3 ways, for example, as 36808489 + 115691536 = 6067^2 + 10756^2 .

It is not a de Polignac number, because 152500025 - 2² = 152500021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152500021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3049976 + ... + 3050025.

It is an arithmetic number, because the mean of its divisors is an integer number (31516677).

Almost surely, 2^152500025 is an apocalyptic number.

It is an amenable number.

152500025 is a deficient number, since it is larger than the sum of its proper divisors (36600037).

152500025 is an equidigital number, since it uses as much as digits as its factorization.

152500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100011 (or 6100006 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 152500025 is about 12349.0900474488. The cubic root of 152500025 is about 534.2648942692.

Adding to 152500025 its reverse (520005251), we get a palindrome (672505276).

The spelling of 152500025 in words is "one hundred fifty-two million, five hundred thousand, twenty-five".