102400351 has 4 divisors (see below), whose sum is σ = 102972600. Its totient is φ = 101828104.

The previous prime is 102400313. The next prime is 102400369. The reversal of 102400351 is 153004201.

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

It is a cyclic number.

It is not a de Polignac number, because 102400351 - 2¹⁵ = 102367583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102400651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285856 + ... + 286213.

It is an arithmetic number, because the mean of its divisors is an integer number (25743150).

Almost surely, 2^102400351 is an apocalyptic number.

102400351 is a deficient number, since it is larger than the sum of its proper divisors (572249).

102400351 is an equidigital number, since it uses as much as digits as its factorization.

102400351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572248.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102400351 is about 10119.3058556405. The cubic root of 102400351 is about 467.8433726604.

Adding to 102400351 its reverse (153004201), we get a palindrome (255404552).

The spelling of 102400351 in words is "one hundred two million, four hundred thousand, three hundred fifty-one".