37252561531 has 2 divisors, whose sum is σ = 37252561532. Its totient is φ = 37252561530.

The previous prime is 37252561483. The next prime is 37252561537. The reversal of 37252561531 is 13516525273.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 37252561531 - 2⁹ = 37252561019 is a prime.

It is a super-2 number, since 2×37252561531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37252561537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18626280765 + 18626280766.

It is an arithmetic number, because the mean of its divisors is an integer number (18626280766).

Almost surely, 2^37252561531 is an apocalyptic number.

37252561531 is a deficient number, since it is larger than the sum of its proper divisors (1).

37252561531 is an equidigital number, since it uses as much as digits as its factorization.

37252561531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The spelling of 37252561531 in words is "thirty-seven billion, two hundred fifty-two million, five hundred sixty-one thousand, five hundred thirty-one".