1402217553 has 32 divisors (see below), whose sum is σ = 2102436864. Its totient is φ = 824040000.

The previous prime is 1402217539. The next prime is 1402217567. The reversal of 1402217553 is 3557122041.

It is an interprime number because it is at equal distance from previous prime (1402217539) and next prime (1402217567).

It is not a de Polignac number, because 1402217553 - 2¹⁴ = 1402201169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402217553.

It is not an unprimeable number, because it can be changed into a prime (1402217503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138018 + ... + 147828.

It is an arithmetic number, because the mean of its divisors is an integer number (65701152).

Almost surely, 2^1402217553 is an apocalyptic number.

It is an amenable number.

1402217553 is a deficient number, since it is larger than the sum of its proper divisors (700219311).

1402217553 is a wasteful number, since it uses less digits than its factorization.

1402217553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1402217553 is about 37446.1954409256. The cubic root of 1402217553 is about 1119.2792857389.

Adding to 1402217553 its reverse (3557122041), we get a palindrome (4959339594).

The spelling of 1402217553 in words is "one billion, four hundred two million, two hundred seventeen thousand, five hundred fifty-three".