248651428 has 6 divisors (see below), whose sum is σ = 435140006. Its totient is φ = 124325712.

The previous prime is 248651407. The next prime is 248651453. The reversal of 248651428 is 824156842.

It is a happy number.

248651428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209438784 + 39212644 = 14472^2 + 6262^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31081425 + ... + 31081432.

Almost surely, 2^248651428 is an apocalyptic number.

It is an amenable number.

248651428 is a deficient number, since it is larger than the sum of its proper divisors (186488578).

248651428 is a wasteful number, since it uses less digits than its factorization.

248651428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62162861 (or 62162859 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 248651428 is about 15768.6850434651. The cubic root of 248651428 is about 628.8257525651.

The spelling of 248651428 in words is "two hundred forty-eight million, six hundred fifty-one thousand, four hundred twenty-eight".