1373252633 has 4 divisors (see below), whose sum is σ = 1380153600. Its totient is φ = 1366351668.

The previous prime is 1373252603. The next prime is 1373252641. The reversal of 1373252633 is 3362523731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3362523731 = 7 ⋅480360533.

It is a cyclic number.

It is not a de Polignac number, because 1373252633 - 2¹² = 1373248537 is a prime.

It is a super-3 number, since 3×1373252633³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1373252593 and 1373252602.

It is not an unprimeable number, because it can be changed into a prime (1373252603) 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, 3450185 + ... + 3450582.

It is an arithmetic number, because the mean of its divisors is an integer number (345038400).

Almost surely, 2^1373252633 is an apocalyptic number.

It is an amenable number.

1373252633 is a deficient number, since it is larger than the sum of its proper divisors (6900967).

1373252633 is an equidigital number, since it uses as much as digits as its factorization.

1373252633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900966.

The product of its digits is 68040, while the sum is 35.

The square root of 1373252633 is about 37057.4234533379. The cubic root of 1373252633 is about 1111.5188020417.

The spelling of 1373252633 in words is "one billion, three hundred seventy-three million, two hundred fifty-two thousand, six hundred thirty-three".