40870351 has 2 divisors, whose sum is σ = 40870352. Its totient is φ = 40870350.

The previous prime is 40870337. The next prime is 40870373. The reversal of 40870351 is 15307804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40870351 - 2²¹ = 38773199 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 (40870331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20435175 + 20435176.

It is an arithmetic number, because the mean of its divisors is an integer number (20435176).

Almost surely, 2^40870351 is an apocalyptic number.

40870351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40870351 is an equidigital number, since it uses as much as digits as its factorization.

40870351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40870351 is about 6392.9923353622. The cubic root of 40870351 is about 344.4578785333.

The spelling of 40870351 in words is "forty million, eight hundred seventy thousand, three hundred fifty-one".