3642257303 has 4 divisors (see below), whose sum is σ = 3650708448. Its totient is φ = 3633806160.

The previous prime is 3642257279. The next prime is 3642257347. The reversal of 3642257303 is 3037522463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3037522463 = 26861 ⋅113083.

It is a cyclic number.

It is not a de Polignac number, because 3642257303 - 2¹² = 3642253207 is a prime.

It is a super-2 number, since 2×3642257303² = 26532076522513667618, 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 (3642257603) 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, 4224926 + ... + 4225787.

It is an arithmetic number, because the mean of its divisors is an integer number (912677112).

Almost surely, 2^3642257303 is an apocalyptic number.

3642257303 is a deficient number, since it is larger than the sum of its proper divisors (8451145).

3642257303 is an equidigital number, since it uses as much as digits as its factorization.

3642257303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451144.

The product of its (nonzero) digits is 90720, while the sum is 35.

The square root of 3642257303 is about 60351.1168330794. The cubic root of 3642257303 is about 1538.5922513741.

Adding to 3642257303 its reverse (3037522463), we get a palindrome (6679779766).

The spelling of 3642257303 in words is "three billion, six hundred forty-two million, two hundred fifty-seven thousand, three hundred three".