1402542553 has 16 divisors (see below), whose sum is σ = 1481379840. Its totient is φ = 1325277184.

The previous prime is 1402542541. The next prime is 1402542571. The reversal of 1402542553 is 3552452041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402542553 is a prime.

It is a super-2 number, since 2×1402542553² = 3934251225951515618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402542523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994713 + ... + 996121.

It is an arithmetic number, because the mean of its divisors is an integer number (92586240).

Almost surely, 2^1402542553 is an apocalyptic number.

It is an amenable number.

1402542553 is a deficient number, since it is larger than the sum of its proper divisors (78837287).

1402542553 is a wasteful number, since it uses less digits than its factorization.

1402542553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1402542553 is about 37450.5347491862. The cubic root of 1402542553 is about 1119.3657529843.

Adding to 1402542553 its reverse (3552452041), we get a palindrome (4954994594).

The spelling of 1402542553 in words is "one billion, four hundred two million, five hundred forty-two thousand, five hundred fifty-three".