51474001 has 2 divisors, whose sum is σ = 51474002. Its totient is φ = 51474000.

The previous prime is 51473999. The next prime is 51474029. The reversal of 51474001 is 10047415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50069776 + 1404225 = 7076^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 51474001 - 2¹ = 51473999 is a prime.

Together with 51473999, it forms a pair of twin primes.

It is equal to p_3084133 and since 51474001 and 3084133 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51474091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25737000 + 25737001.

It is an arithmetic number, because the mean of its divisors is an integer number (25737001).

Almost surely, 2^51474001 is an apocalyptic number.

It is an amenable number.

51474001 is a deficient number, since it is larger than the sum of its proper divisors (1).

51474001 is an equidigital number, since it uses as much as digits as its factorization.

51474001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 51474001 is about 7174.5383823630. The cubic root of 51474001 is about 371.9883243917.

The spelling of 51474001 in words is "fifty-one million, four hundred seventy-four thousand, one".