252525000278 has 4 divisors (see below), whose sum is σ = 378787500420. Its totient is φ = 126262500138.

The previous prime is 252525000271. The next prime is 252525000307. The reversal of 252525000278 is 872000525252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252525000271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63131250068 + ... + 63131250071.

It is an arithmetic number, because the mean of its divisors is an integer number (94696875105).

Almost surely, 2^252525000278 is an apocalyptic number.

252525000278 is a deficient number, since it is larger than the sum of its proper divisors (126262500142).

252525000278 is a wasteful number, since it uses less digits than its factorization.

252525000278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126262500141.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 252525000278 in words is "two hundred fifty-two billion, five hundred twenty-five million, two hundred seventy-eight", and thus it is an aban number.