151232551 has 2 divisors, whose sum is σ = 151232552. Its totient is φ = 151232550.

The previous prime is 151232537. The next prime is 151232563. The reversal of 151232551 is 155232151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151232551 - 2¹⁹ = 150708263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151232251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75616275 + 75616276.

It is an arithmetic number, because the mean of its divisors is an integer number (75616276).

Almost surely, 2^151232551 is an apocalyptic number.

151232551 is a deficient number, since it is larger than the sum of its proper divisors (1).

151232551 is an equidigital number, since it uses as much as digits as its factorization.

151232551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 25.

The square root of 151232551 is about 12297.6644530577. The cubic root of 151232551 is about 532.7806286770.

The spelling of 151232551 in words is "one hundred fifty-one million, two hundred thirty-two thousand, five hundred fifty-one".