52151042 has 4 divisors (see below), whose sum is σ = 78226566. Its totient is φ = 26075520.

The previous prime is 52151039. The next prime is 52151069. The reversal of 52151042 is 24015125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50708641 + 1442401 = 7121^2 + 1201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13037759 + ... + 13037762.

Almost surely, 2^52151042 is an apocalyptic number.

52151042 is a deficient number, since it is larger than the sum of its proper divisors (26075524).

52151042 is a wasteful number, since it uses less digits than its factorization.

52151042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26075523.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 52151042 is about 7221.5678353111. The cubic root of 52151042 is about 373.6121547721.

Adding to 52151042 its reverse (24015125), we get a palindrome (76166167).

The spelling of 52151042 in words is "fifty-two million, one hundred fifty-one thousand, forty-two".