403551053 has 2 divisors, whose sum is σ = 403551054. Its totient is φ = 403551052.

The previous prime is 403551041. The next prime is 403551061. The reversal of 403551053 is 350155304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403085929 + 465124 = 20077^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 403551053 - 2²⁸ = 135115597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403551853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201775526 + 201775527.

It is an arithmetic number, because the mean of its divisors is an integer number (201775527).

Almost surely, 2^403551053 is an apocalyptic number.

It is an amenable number.

403551053 is a deficient number, since it is larger than the sum of its proper divisors (1).

403551053 is an equidigital number, since it uses as much as digits as its factorization.

403551053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 403551053 is about 20088.5801638642. The cubic root of 403551053 is about 738.9802443871.

The spelling of 403551053 in words is "four hundred three million, five hundred fifty-one thousand, fifty-three".