1453039901 has 2 divisors, whose sum is σ = 1453039902. Its totient is φ = 1453039900.

The previous prime is 1453039897. The next prime is 1453039933. The reversal of 1453039901 is 1099303541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449705625 + 3334276 = 38075^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453039901 - 2² = 1453039897 is a prime.

It is a super-2 number, since 2×1453039901² = 4222649907796179602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453039001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726519950 + 726519951.

It is an arithmetic number, because the mean of its divisors is an integer number (726519951).

Almost surely, 2^1453039901 is an apocalyptic number.

It is an amenable number.

1453039901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453039901 is an equidigital number, since it uses as much as digits as its factorization.

1453039901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1453039901 is about 38118.7604861438. The cubic root of 1453039901 is about 1132.6416129541.

The spelling of 1453039901 in words is "one billion, four hundred fifty-three million, thirty-nine thousand, nine hundred one".