10542402 has 24 divisors (see below), whose sum is σ = 24599484. Its totient is φ = 3243744.

The previous prime is 10542401. The next prime is 10542403. The reversal of 10542402 is 20424501.

It is an interprime number because it is at equal distance from previous prime (10542401) and next prime (10542403).

It can be written as a sum of positive squares in 2 ways, for example, as 10439361 + 103041 = 3231^2 + 321^2 .

It is a super-2 number, since 2×10542402² = 222284479859208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10542401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22293 + ... + 22760.

Almost surely, 2^10542402 is an apocalyptic number.

10542402 is an abundant number, since it is smaller than the sum of its proper divisors (14057082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10542402 is a wasteful number, since it uses less digits than its factorization.

10542402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45074 (or 45071 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10542402 is about 3246.9065277584. The cubic root of 10542402 is about 219.2703235968.

Adding to 10542402 its reverse (20424501), we get a palindrome (30966903).

The spelling of 10542402 in words is "ten million, five hundred forty-two thousand, four hundred two".