90401453 has 2 divisors, whose sum is σ = 90401454. Its totient is φ = 90401452.

The previous prime is 90401419. The next prime is 90401459. The reversal of 90401453 is 35410409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61811044 + 28590409 = 7862^2 + 5347^2 .

It is a cyclic number.

It is not a de Polignac number, because 90401453 - 2¹² = 90397357 is a prime.

It is a super-2 number, since 2×90401453² = 16344845409022418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90401459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45200726 + 45200727.

It is an arithmetic number, because the mean of its divisors is an integer number (45200727).

Almost surely, 2^90401453 is an apocalyptic number.

It is an amenable number.

90401453 is a deficient number, since it is larger than the sum of its proper divisors (1).

90401453 is an equidigital number, since it uses as much as digits as its factorization.

90401453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90401453 is about 9507.9678691085. The cubic root of 90401453 is about 448.8058098459.

The spelling of 90401453 in words is "ninety million, four hundred one thousand, four hundred fifty-three".