51010495 has 4 divisors (see below), whose sum is σ = 61212600. Its totient is φ = 40808392.

The previous prime is 51010493. The next prime is 51010499. The reversal of 51010495 is 59401015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59401015 = 5 ⋅11880203.

It is a cyclic number.

It is not a de Polignac number, because 51010495 - 2¹ = 51010493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101045 + ... + 5101054.

It is an arithmetic number, because the mean of its divisors is an integer number (15303150).

Almost surely, 2^51010495 is an apocalyptic number.

51010495 is a deficient number, since it is larger than the sum of its proper divisors (10202105).

51010495 is a wasteful number, since it uses less digits than its factorization.

51010495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202104.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 51010495 is about 7142.1631877184. The cubic root of 51010495 is about 370.8684130711.

The spelling of 51010495 in words is "fifty-one million, ten thousand, four hundred ninety-five".