51152357 has 2 divisors, whose sum is σ = 51152358. Its totient is φ = 51152356.

The previous prime is 51152323. The next prime is 51152363. The reversal of 51152357 is 75325115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 11600836 = 6289^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 51152357 - 2¹² = 51148261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51152957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576178 + 25576179.

It is an arithmetic number, because the mean of its divisors is an integer number (25576179).

Almost surely, 2^51152357 is an apocalyptic number.

It is an amenable number.

51152357 is a deficient number, since it is larger than the sum of its proper divisors (1).

51152357 is an equidigital number, since it uses as much as digits as its factorization.

51152357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 29.

The square root of 51152357 is about 7152.0875973383. The cubic root of 51152357 is about 371.2118942701.

The spelling of 51152357 in words is "fifty-one million, one hundred fifty-two thousand, three hundred fifty-seven".