1040252351 has 4 divisors (see below), whose sum is σ = 1042873032. Its totient is φ = 1037631672.

The previous prime is 1040252333. The next prime is 1040252357. The reversal of 1040252351 is 1532520401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1532520401 = 331 ⋅4629971.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040252351 is a prime.

It is a super-2 number, since 2×1040252351² = 2164249907522054402, which contains 22 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 (1040252357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309745 + ... + 1310538.

It is an arithmetic number, because the mean of its divisors is an integer number (260718258).

Almost surely, 2^1040252351 is an apocalyptic number.

1040252351 is a deficient number, since it is larger than the sum of its proper divisors (2620681).

1040252351 is an equidigital number, since it uses as much as digits as its factorization.

1040252351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620680.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1040252351 is about 32252.9432920470. The cubic root of 1040252351 is about 1013.2413432793.

Adding to 1040252351 its reverse (1532520401), we get a palindrome (2572772752).

The spelling of 1040252351 in words is "one billion, forty million, two hundred fifty-two thousand, three hundred fifty-one".