1451553473 has 2 divisors, whose sum is σ = 1451553474. Its totient is φ = 1451553472.

The previous prime is 1451553427. The next prime is 1451553511. The reversal of 1451553473 is 3743551541.

It is a happy number.

It is an a-pointer prime, because the next prime (1451553511) can be obtained adding 1451553473 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449172624 + 2380849 = 38068^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451553473 - 2¹² = 1451549377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451553403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725776736 + 725776737.

It is an arithmetic number, because the mean of its divisors is an integer number (725776737).

Almost surely, 2^1451553473 is an apocalyptic number.

It is an amenable number.

1451553473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451553473 is an equidigital number, since it uses as much as digits as its factorization.

1451553473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 1451553473 is about 38099.2581686311. The cubic root of 1451553473 is about 1132.2552586576.

The spelling of 1451553473 in words is "one billion, four hundred fifty-one million, five hundred fifty-three thousand, four hundred seventy-three".