542522502 has 48 divisors (see below), whose sum is σ = 1223438640. Its totient is φ = 178204320.

The previous prime is 542522473. The next prime is 542522507. The reversal of 542522502 is 205225245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542522507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271218 + ... + 273210.

It is an arithmetic number, because the mean of its divisors is an integer number (25488305).

Almost surely, 2^542522502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542522502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611719320).

542522502 is an abundant number, since it is smaller than the sum of its proper divisors (680916138).

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

542522502 is a wasteful number, since it uses less digits than its factorization.

542522502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 542522502 is about 23292.1124417688. The cubic root of 542522502 is about 815.5913016068.

Adding to 542522502 its reverse (205225245), we get a palindrome (747747747).

The spelling of 542522502 in words is "five hundred forty-two million, five hundred twenty-two thousand, five hundred two".