1010531657 has 8 divisors (see below), whose sum is σ = 1055597184. Its totient is φ = 965560288.

The previous prime is 1010531609. The next prime is 1010531671. The reversal of 1010531657 is 7561350101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010531657 - 2¹² = 1010527561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010531677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133 + ... + 44970.

It is an arithmetic number, because the mean of its divisors is an integer number (131949648).

Almost surely, 2^1010531657 is an apocalyptic number.

It is an amenable number.

1010531657 is a deficient number, since it is larger than the sum of its proper divisors (45065527).

1010531657 is an equidigital number, since it uses as much as digits as its factorization.

1010531657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47079.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 1010531657 is about 31788.8605803983. The cubic root of 1010531657 is about 1003.4982999599.

Adding to 1010531657 its reverse (7561350101), we get a palindrome (8571881758).

The spelling of 1010531657 in words is "one billion, ten million, five hundred thirty-one thousand, six hundred fifty-seven".