52137401 has 2 divisors, whose sum is σ = 52137402. Its totient is φ = 52137400.

The previous prime is 52137391. The next prime is 52137473. The reversal of 52137401 is 10473125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 13697401 = 6200^2 + 3701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52137401 is a prime.

It is not a weakly prime, because it can be changed into another prime (52137101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26068700 + 26068701.

It is an arithmetic number, because the mean of its divisors is an integer number (26068701).

Almost surely, 2^52137401 is an apocalyptic number.

It is an amenable number.

52137401 is a deficient number, since it is larger than the sum of its proper divisors (1).

52137401 is an equidigital number, since it uses as much as digits as its factorization.

52137401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 52137401 is about 7220.6233110446. The cubic root of 52137401 is about 373.5795770413.

The spelling of 52137401 in words is "fifty-two million, one hundred thirty-seven thousand, four hundred one".