153421087 has 2 divisors, whose sum is σ = 153421088. Its totient is φ = 153421086.

The previous prime is 153421013. The next prime is 153421123. The reversal of 153421087 is 780124351.

It is a strong prime.

It is an emirp because it is prime and its reverse (780124351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153421087 - 2²³ = 145032479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153424087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76710543 + 76710544.

It is an arithmetic number, because the mean of its divisors is an integer number (76710544).

Almost surely, 2^153421087 is an apocalyptic number.

153421087 is a deficient number, since it is larger than the sum of its proper divisors (1).

153421087 is an equidigital number, since it uses as much as digits as its factorization.

153421087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 153421087 is about 12386.3266144568. The cubic root of 153421087 is about 535.3383448049.

The spelling of 153421087 in words is "one hundred fifty-three million, four hundred twenty-one thousand, eighty-seven".