40141537 has 2 divisors, whose sum is σ = 40141538. Its totient is φ = 40141536.

The previous prime is 40141529. The next prime is 40141553. The reversal of 40141537 is 73514104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21123216 + 19018321 = 4596^2 + 4361^2 .

It is a cyclic number.

It is not a de Polignac number, because 40141537 - 2³ = 40141529 is a prime.

It is a super-2 number, since 2×40141537² = 3222685985444738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40141567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070768 + 20070769.

It is an arithmetic number, because the mean of its divisors is an integer number (20070769).

Almost surely, 2^40141537 is an apocalyptic number.

It is an amenable number.

40141537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40141537 is an equidigital number, since it uses as much as digits as its factorization.

40141537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40141537 is about 6335.7349218540. The cubic root of 40141537 is about 342.3980892739.

The spelling of 40141537 in words is "forty million, one hundred forty-one thousand, five hundred thirty-seven".