402102053 has 2 divisors, whose sum is σ = 402102054. Its totient is φ = 402102052.

The previous prime is 402101989. The next prime is 402102091. The reversal of 402102053 is 350201204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225690529 + 176411524 = 15023^2 + 13282^2 .

It is a cyclic number.

It is not a de Polignac number, because 402102053 - 2⁶ = 402101989 is a prime.

It is a super-2 number, since 2×402102053² = 323372122053629618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402102553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201051026 + 201051027.

It is an arithmetic number, because the mean of its divisors is an integer number (201051027).

Almost surely, 2^402102053 is an apocalyptic number.

It is an amenable number.

402102053 is a deficient number, since it is larger than the sum of its proper divisors (1).

402102053 is an equidigital number, since it uses as much as digits as its factorization.

402102053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 402102053 is about 20052.4824647723. The cubic root of 402102053 is about 738.0947169996.

Adding to 402102053 its reverse (350201204), we get a palindrome (752303257).

The spelling of 402102053 in words is "four hundred two million, one hundred two thousand, fifty-three".