425240252 has 24 divisors (see below), whose sum is σ = 756188160. Its totient is φ = 209205360.

The previous prime is 425240239. The next prime is 425240269. The reversal of 425240252 is 252042524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96113 + ... + 100439.

It is an arithmetic number, because the mean of its divisors is an integer number (31507840).

Almost surely, 2^425240252 is an apocalyptic number.

It is an amenable number.

425240252 is a deficient number, since it is larger than the sum of its proper divisors (330947908).

425240252 is a wasteful number, since it uses less digits than its factorization.

425240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 425240252 is about 20621.3542717252. The cubic root of 425240252 is about 751.9889442127.

Adding to 425240252 its reverse (252042524), we get a palindrome (677282776).

The spelling of 425240252 in words is "four hundred twenty-five million, two hundred forty thousand, two hundred fifty-two".