252025661047 has 4 divisors (see below), whose sum is σ = 252087878296. Its totient is φ = 251963443800.

The previous prime is 252025661033. The next prime is 252025661053. The reversal of 252025661047 is 740166520252.

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

It is a cyclic number.

It is not a de Polignac number, because 252025661047 - 2²³ = 252017272439 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 (252025661347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31102548 + ... + 31110649.

It is an arithmetic number, because the mean of its divisors is an integer number (63021969574).

Almost surely, 2^252025661047 is an apocalyptic number.

252025661047 is a deficient number, since it is larger than the sum of its proper divisors (62217249).

252025661047 is an equidigital number, since it uses as much as digits as its factorization.

252025661047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62217248.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 252025661047 in words is "two hundred fifty-two billion, twenty-five million, six hundred sixty-one thousand, forty-seven".