312542525 has 12 divisors (see below), whose sum is σ = 387779124. Its totient is φ = 249888000.

The previous prime is 312542521. The next prime is 312542539. The reversal of 312542525 is 525245213.

It can be written as a sum of positive squares in 6 ways, for example, as 33051001 + 279491524 = 5749^2 + 16718^2 .

It is not a de Polignac number, because 312542525 - 2² = 312542521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312542521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66245 + ... + 70805.

It is an arithmetic number, because the mean of its divisors is an integer number (32314927).

Almost surely, 2^312542525 is an apocalyptic number.

It is an amenable number.

312542525 is a deficient number, since it is larger than the sum of its proper divisors (75236599).

312542525 is a wasteful number, since it uses less digits than its factorization.

312542525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312 (or 7307 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 312542525 is about 17678.8722773824. The cubic root of 312542525 is about 678.6351842484.

Adding to 312542525 its reverse (525245213), we get a palindrome (837787738).

The spelling of 312542525 in words is "three hundred twelve million, five hundred forty-two thousand, five hundred twenty-five".