342121552 has 10 divisors (see below), whose sum is σ = 662860538. Its totient is φ = 171060768.

The previous prime is 342121537. The next prime is 342121567. The reversal of 342121552 is 255121243.

It is an interprime number because it is at equal distance from previous prime (342121537) and next prime (342121567).

It can be written as a sum of positive squares in only one way, i.e., 281031696 + 61089856 = 16764^2 + 7816^2 .

It is a congruent number.

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, 10691283 + ... + 10691314.

Almost surely, 2^342121552 is an apocalyptic number.

It is an amenable number.

342121552 is a deficient number, since it is larger than the sum of its proper divisors (320738986).

342121552 is a wasteful number, since it uses less digits than its factorization.

342121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21382605 (or 21382599 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 342121552 is about 18496.5281066475. The cubic root of 342121552 is about 699.4019054477.

Adding to 342121552 its reverse (255121243), we get a palindrome (597242795).

The spelling of 342121552 in words is "three hundred forty-two million, one hundred twenty-one thousand, five hundred fifty-two".