251448952 has 16 divisors (see below), whose sum is σ = 472177440. Its totient is φ = 125534976.

The previous prime is 251448947. The next prime is 251448959. The reversal of 251448952 is 259844152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251448959) 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, 17968 + ... + 28735.

It is an arithmetic number, because the mean of its divisors is an integer number (29511090).

Almost surely, 2^251448952 is an apocalyptic number.

It is an amenable number.

251448952 is a deficient number, since it is larger than the sum of its proper divisors (220728488).

251448952 is a wasteful number, since it uses less digits than its factorization.

251448952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47382 (or 47378 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 251448952 is about 15857.1419871300. The cubic root of 251448952 is about 631.1752246558.

The spelling of 251448952 in words is "two hundred fifty-one million, four hundred forty-eight thousand, nine hundred fifty-two".