1035640351 has 4 divisors (see below), whose sum is σ = 1035744304. Its totient is φ = 1035536400.

The previous prime is 1035640273. The next prime is 1035640409. The reversal of 1035640351 is 1530465301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1530465301 = 6607 ⋅231643.

It is a cyclic number.

It is not a de Polignac number, because 1035640351 - 2¹⁹ = 1035116063 is a prime.

It is a super-3 number, since 3×1035640351³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035640751) 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, 35235 + ... + 57556.

It is an arithmetic number, because the mean of its divisors is an integer number (258936076).

Almost surely, 2^1035640351 is an apocalyptic number.

1035640351 is a deficient number, since it is larger than the sum of its proper divisors (103953).

1035640351 is an equidigital number, since it uses as much as digits as its factorization.

1035640351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103952.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1035640351 is about 32181.3665185306. The cubic root of 1035640351 is about 1011.7417096534.

The spelling of 1035640351 in words is "one billion, thirty-five million, six hundred forty thousand, three hundred fifty-one".