1000481657 has 12 divisors (see below), whose sum is σ = 1170337680. Its totient is φ = 852757416.

The previous prime is 1000481641. The next prime is 1000481681. The reversal of 1000481657 is 7561840001.

It is a happy number.

It is not a de Polignac number, because 1000481657 - 2⁴ = 1000481641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000481627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48263 + ... + 65804.

It is an arithmetic number, because the mean of its divisors is an integer number (97528140).

Almost surely, 2^1000481657 is an apocalyptic number.

It is an amenable number.

1000481657 is a deficient number, since it is larger than the sum of its proper divisors (169856023).

1000481657 is a wasteful number, since it uses less digits than its factorization.

1000481657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114260 (or 114253 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1000481657 is about 31630.3913507247. The cubic root of 1000481657 is about 1000.1605265632.

The spelling of 1000481657 in words is "one billion, four hundred eighty-one thousand, six hundred fifty-seven".