1453873397 has 2 divisors, whose sum is σ = 1453873398. Its totient is φ = 1453873396.

The previous prime is 1453873391. The next prime is 1453873403. The reversal of 1453873397 is 7933783541.

It is a balanced prime because it is at equal distance from previous prime (1453873391) and next prime (1453873403).

It can be written as a sum of positive squares in only one way, i.e., 888099601 + 565773796 = 29801^2 + 23786^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453873397 - 2⁴ = 1453873381 is a prime.

It is a super-3 number, since 3×1453873397³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453873391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726936698 + 726936699.

It is an arithmetic number, because the mean of its divisors is an integer number (726936699).

Almost surely, 2^1453873397 is an apocalyptic number.

It is an amenable number.

1453873397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453873397 is an equidigital number, since it uses as much as digits as its factorization.

1453873397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The square root of 1453873397 is about 38129.6918031080. The cubic root of 1453873397 is about 1132.8581410299.

The spelling of 1453873397 in words is "one billion, four hundred fifty-three million, eight hundred seventy-three thousand, three hundred ninety-seven".