102495451 has 4 divisors (see below), whose sum is σ = 102516400. Its totient is φ = 102474504.

The previous prime is 102495427. The next prime is 102495457. The reversal of 102495451 is 154594201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154594201 = 23 ⋅6721487.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102495451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102495457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (25629100).

Almost surely, 2^102495451 is an apocalyptic number.

102495451 is a deficient number, since it is larger than the sum of its proper divisors (20949).

102495451 is an equidigital number, since it uses as much as digits as its factorization.

102495451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20948.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 102495451 is about 10124.0037040689. The cubic root of 102495451 is about 467.9881577713.

The spelling of 102495451 in words is "one hundred two million, four hundred ninety-five thousand, four hundred fifty-one".